With Ultrasn0w 1.2.5, you can unlock iOS 5.0.1 on iPhone, iPhone 3GS on the following basebands:

• 01.59.00
• 04.26.08
• 05.11.07
• 05.13.01
• 05.12.01
• 06.15.00

You can  check your baseband version under Settings > General > About.

Note: If you bought iphone recently, chances are there that it has a newer baseband, which is Unlockable. Verify the baseband version before you proceed.

iPhone Dev team has workedreally hard to get this one out as fast as possible.

How to Unlock iOS 5.0.1 on iPhone 4, iPhone 3GS using Ultrasn0w

Step 1: Launch ‘Cydia’ application and click on ‘Manage’ tab, followed by ‘Sources’ and then  ‘Add’. Add the following URL – http://repo666.ultrasn0w.com – then select ‘Add Source‘.

Step 2: Cydia would now verify this source and refresh its available lists. Go back and install Ultrasn0w, it will automatically unlock your iPhone.

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With latest version of Redsn0w, you can tether-jailbreak iOS 5.0.1 on iPhone, iPad, and iPod touch.

Important Note:

• A5 devices iPad 2 and iPhone 4S are not supported.
• If you use GEVEY to unlock, you can upgrade to iOS 5.0.1 and retain the lock. Refer to the section at the end.

How to Jailbreak iOS 5.0.1 iPhone, iPod Touch, iPad

– Downloads –

• iTunes 10.5,
• Redsn0w for Windows, Mac.

Download iOS 5:

• iPhone 4S
• iPhone 4 (GSM)
• iPhone 4 (CDMA)
• iPhone 3GS
• iPad 2 WiFi
• iPad 2 GSM
• iPad 2 CDMA
• iPad
• iPod touch 3G
• iPod touch 4G

DownloadiOS 5.0.1

• iPhone 4S
• iPhone 4 (GSM)
• iPhone 4 (CDMA)
• iPhone 3GS
• iPad 2 WiFi
• iPad 2 GSM
• iPad 2 CDMA
• iPad
• iPod touch 3G
• iPod touch 4G

Step 1: Use iTunes to update your device to iOS 5.0.1.

Step 2: Open Redsn0w and select “Extras” and then “Select IPSW”, and point it to the iOS 5.0 firmware file, which can be downloaded from this link. Select the appropriate iOS 5 custom firmware that you downloaded for your device.

Step 3: Click “Jailbreak” and select “Install Cydia”. Follow the on screen steps to enter DFU mode and see the magic, as it happens.

Howto Boot Tethered:

Launch Redsn0w, select “Extras”, followed by “Just Boot”. You will need to perform this action every time your device is switched off or rebooted.

Unlock  iPhone 4 on iOS 5.0.1

If you rely on GEVEY SIM for unlocking iPhone 4, get ready to create a custom .IPSW, so that you can preserve your baseband.

Method: Run Redsn0w, select “Extras”, then “Custom IPSW”, then point Redsn0w to your iOS 5.0.1 file, and let Redsn0w do the rest. Next, enter pwned DFU mode (Extras > Pwned DFU) and restore to your custom firmware via iTunes. Once complete, you’ll be able to unlock your device with GEVEY.

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iOS 4.3.3 can be Jailbroken untethered on Windows

iOS 4.3.3 brings the LocationGate privacy fixes to iOS devices, so this update is worth the effort.

This guide supports Untethered Jailbreak for following devices:

• iPhone 4, iPhone 3gs
• iPod Touch (all generations compatible with iOS 4.3.3)
• iPad 1. No iPad 2 yet.
• iPhone 4 CDMA (Verizon) on iOS 4.2.8

Note for Unlockers: Sn0wbreeze is safe for unlocking. Sn0wbreeze helps you to retain the old baseband for iPhone 4 and 3GS users so that you can later unlock with Ultrasn0w.

Downloads

• Download and install iTunes 10.2.2 for Windows.
• Download Sn0wbreeze 2.7 for Windows.
• Download iOS 4.3.3 for iPhone, iPad or iPod touch, iOS 4.2.8 for Verizon iPhone 4. (or google them)

Step 1. Open Sn0wbreeze and  click next button. and browse the required firmware .ipsw file for your iOS device.

Step 2: Let sn0wbreeze identify the IPSW, when done, click the next to proceed.

Step 3: On the next screen select the “Expert Mode”, followed by “Build IPSW” option. When done, follow onscreen instructions to enter the DFU mode.

How to enter DFU mode:

• Hold Power and Home buttons for 10 seconds
• Now release the Power button but continue holding the Home button for 10 more seconds
• You device should now be in DFU mode

If you do it correctly, sn0wbreeze will show you a message saying “Your devices is now in a PWNED DFU state (black screen)” bla bla.

Step 4: Go ahead and start iTunes, press and hold Left “Shift” button on the keyboard and then click on “Restore” and browse for custom ipsw you created previously.

Step 5: iTunes would now do its stuff and you can grab a cup of coffee in the meantime. After the installation is done, your iOS device i.e. iOS 4.2.8 (for Verizon iPhone 4), or 4.3.3 (for GSM iPhone, iPad & iPod touch) would be fully Jailbroken Untethered.

How To Unlock iOS 4.3.3 (iPhone 4 and 3GS only):
Go to cydia and install Ultrasn0w 1.2.3 (repo: repo666.ultrsn0w.com) and restart.

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iOS 4.3.3 brings the LocationGate privacy fixes to iOS devices.

Related: Jailbreak iOS 4.3.3 Untethered iPhone, iPad, iPod Touch [Windows]

If you don’t really need an unlock, you can use Redsn0w to achieve Jailbreak on iOS 4.3.3 as well.

How to Jailbreak iOS 4.3.3 Untethered iPhone 4, iPhone 3gs, iPod Touch, iPad

Downloads

• Download PwnageTool 4.3.3 for Mac.
• Download iOS 4.3.3 firmware.

1: Run PwnageTool in “Expert mode” and choose your device:

2: Browse for iOS 4.3.3 firmware and select it.

3: Now select “Build” to start creating custom 4.3.3 firmware file.

Unlockers take note: IIf you rely on an unlock you must preserve the old baseband to be unlockable by Ultrasn0w, mark the “Activate the phone” o under “General”.

4: Sitback and relax while PwnageTool builds the custom .ipsw file for your iPhone.

5: Now enter DFU mode using the onscreen instructions or:

• Hold Power and Home buttons for 10 seconds
• Now release the Power button but continue holding the Home button for 10 more seconds
• You device should now be in DFU mode

6: Now Run iTunes, Hold “alt” (option) button on Mac, or Left “Shift” button if you are on Windows and click on “Restore” and browse the ipsw firmware that you just created.

7: Within few minutes your iDEvice would be all ready & fully Untethered Jailbroken on iOS 4.3.3.

How to Unlock iOS 4.3.3 iPhone 4

Go to cydia and install Ultrasn0w 1.2.3 (repo: repo666.ultrsn0w.com) and restart.

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There are two new ways of Unlocking iPhone 4 without Jailbreaking it.

First, you can get your IMEI whitelisted for a price from a GSM phone source.

Second, You can use a SIM card unlocker, which just works.

Method I: Getting IMEI whitelisted

It works by adjusting your phone’s IMEI to work on any carrier. An IMEI is a number unique to every GSM phone that allows your carrier to identify your device. The service, from GSM Phone Source, will cost you $180. That’s a hefty price, but worth it would make it work on any GSM carrier. When you sign up for the service, you provide them with your phone’s IMEI. They’ll email you within 48 hours to confirm your phone has been unlocked. After another sync with iTunes, you can then insert any GSM sim card into your iPhone.

It is confirmed that it works today however, there is a catch: There’s always a chance that Apple can put your IMEI back in the registry and negate the whole process, so use this service at your own risk.

CutYourSim is a very similar service, but again, try it at your own risk.

Method II: SIM card Unlocker

This is a much cheaper and safer bet at $48. The card comes from Rebel SIM Card and will allow you to load any SIM you want into your iPhone 4.

It comes in two flavors:

• The cheaper option has an tiny antenna that awkwardly sticks out the side.
• For around $17 more, you can get a SIM special tray that replaces the one that comes with your iPhone. ($65)

Rebel’s use of a custom SIM tray lets you update the SIM Software even if Apple redesigns the iPhone. Check out the product page to make sure your phone is compatible.

Related: Unlock iPhone 4 2.10.04 3.10.01 baseband [Gevey SIM]

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Note: Ultrasn0w 1.2.1 unlocks the older baseband  on iOS 4.3.1 custom firmware. This will not work for newer baseband, and is essentially a fix for signal bar. It only fixes the compatibility and signal bar issues on the existing devices, which are jailbroken (with preserved basebands: 01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00) on iOS 4.3.1 using PwnageTool or Sn0wbreeze.

How to Unlock iOS 4.3.1 iPhone 4, iPhone 3GS

1. MAke sure your iPhone is jailbroken with Sn0wbreeze or Pwnagetool.

2. Run Cydia > manage > sources > Edit > Add > http://repo666.ultrasn0w.com and hit the Add Source button.

3. Now search for Ultrasn0w and install it. Restart when done.

If you are on a newer bootloader or baseband, there’s no software unlock available, so you can stop looking for one and may be you can try a Hardware based, Jailbreak-free Unlock for iPhone 4.

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Note:

• Sn0wbreeze is a Tethered Jailbreak for iOS 4.3 iPhone, iPod Touch and iPad.
• Sn0wbreeze 2.3b4 supports Ultrasn0w unlock for basebands (01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00) 
• Ultrasn0w is NOT compatible with the following basebands! (02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04) You can Unlock iPhone 4 2.10.04 3.10.01 baseband using  Gevey SIM.
• Upgrading your 3GS baseband to the 06.15.00 iPad baseband hack to unlock MAY cause you to lose your GPS

How to Unlock iOS 4.3 iPHone 4, iPhone 3GS

Download Sn0wbreeze 2.3b4

For iPhone 3GS Only:Update iPhone 3GS to 06.15.00 Baseband for Unlock:
Ultrasn0w 1.2 unlocking requires that your iPhone 3GS is jailbroken with 06.15.00 baseband. You can use PWnageTool or Redsn0w to update your iPhone 3GS baseband to 06.15.00 and jailbreak it on iOS 4.1 / 4.2.1 before proceeding with the following steps.

1. First off Jailbreak iOS 4.3 iPhone 4, 3GS, iPod Touch, iPad with sn0wbreeze 2.3b4.

2: Once you have jailbroken your device, you can install Ultrasn0w 1.2 from Cydia by adding “http://repo666.ultrasn0w.com” to sources.

Cydia will now automatically update your sources by following a series of automated steps.

3. Install Ultrasn0w and restart your iPhone and boom! your iPhone 4, 3GS is unlocked on iOS 4.3

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The Gevey SIM transposes the SIM card signals while they are delivered to the baseband hardware. As a result, Unlocking iPhone is a child’s play.

How to Unlock iPhone 4 2.10.04 3.10.01

1. Just Install the Gevey SIM and then call 112, once the call connects you hang up.

2. Toggle Airport mode on and off and that’s it.

On one side the unlock is dirt easy, while on the darker side of the method, dialing the emergency number without any reason is punishable offense in some countries. Another drawback of the method is that a firmware update or carrier update will again lock the iPhone 4.

How Gevey SIM iPhone 4 Unlock works

SIM card holds many different types of information, but the part most involved with carrier lock is the IMSI number, which is a unique code that corresponds to your account in the mobile carrier’s database.
When the iPhone baseband is loaded into memory, it checks the MCC and MNC against its own network lock state stored in the seczone. If the combination is allowed, the cell radio is activated and vice versa.
The earliest iPhone baseband revisions only check IMSI twice following a restart, therefore it is very easy to send spoof information in order to bypass the check. Nevertheless, the baseband was soon updated to validate SIM more aggressively and the method soon became obsolete.

A sample IMSI might look like this

310 150 987654321

To guard against eavesdropping that plagued pre-GSM cellular networks, the initial connection to a network does not only involve IMSI, but a 4-byte TMSI to identify each handset before IMSI is sent processed.

The base station then send a 16-byte nonce to the handset, where is signed with a 128bit DES key (Ki, stored encrypted on the SIM) and sent back. The network checked the string against their database and allow that number to connect to the network.

You see, the IMSI is not essential; as long as your key is valid, you will be able to get service. This is exactly what the various SIM hacks where a fake IMSI is sent along with the correct key. The IMSI is redirected to another network and lost, and the signed nonce usually allows you to register (without cross-checking IMSI)

With this technique, “Data Roaming” needs to be enabled to allow data connection because the baseband is acting on the assumption that the phone is roaming however the network do correctly recognise the phone as a home user. Further details here.

What does it mean to unlockers?

1. It works if A.your network handles 112 calls properly according to the GSM standard; B.they are tolerant to TSMI spoofing and does not actively validate your SIM again for incoming calls.
2. Unlike its ancestors, the i4 SIM interposer is not a drop-in-and-forget device. The exact precedure must be performed should the device restart, lose reception for an extended period of time or move to another PLMN. In all situations the TMSI expires and has to be obtained again. Theoretically it is possible for a daemon to automate the process similar to ZeroG, but that only makes thing more convoluted.
3. It is, without question, unethical or downright illegal to use the technique anywhere 112 is a legitmate emergency number. Not a huge issue in China where the number is only used for informative purpose; the providers has no immediate incentive to fix the loophole.
4. All firmware/baseband combinations for the i4 up to iOS4.3 are vulnerable, however the exploit may be patched in any future software updates or via the carrier. If apple can influence providers to block Cydia it is not impossible for them to press them to fix the exploit. The only way to permanently unlock your baseband is via NCK.
5. SIM interposer should not harm your phone hardware, however your network could request IMEI and identify your device during the emergency call. Your identity cannot be faked and it is possible that they will ban your account. There is a reason why SIM cards remain legally the property of the service provider: you are not supposed to tamper with them without breaching contract.
6. Notwithstanding all the problems, SIM interposer does not cause any battery drain since it is only active transiently, nor would it cause signal loss because it does not change cellular transmission other than the initial validation step.

Conclusion:
An overpriced (US$50), unreliable and legally questionable mod; works for some but your mileage may vary; get it if you are desperate or wait for the 40-bit NCK hack by dev team.

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Sn0wbreeze 2.2.1

Mac users can use PwnageTool 4.2 to create custom firmware – Download PwnageTool [Mirror]. The process is very similar.

How to Jailbreak iOS 4.2.1 Untethered + Preserve Baseband for Unlock

Pre-requisite:

Download Sn0wbreeze 2.2

Download iOS 4.2.1 (Official from Apple)

• iPhone 4
• iPhone 3GS
• iPhone 3G
• iPad
• iPod touch 2G
• iPod touch 3G
• iPod touch 4G

How To:

1. Launch sn0wbreeze, we are now ready to create a custom firmware.

2. Browse the firmware file, and let it identify the firmware. When done hit Next and use “Expert mode”.

3. Feel free to chose any options you wish to have for modifications.

4. If you are on an unofficial carrier, Make sure you check “activate iPhone [Hacktivate]‘ and  Hit create button. Depending on your computer’s speed, it would create the file within minutes and place in the same directory as original firmware.

5. Next, Put iPhone to DFU mode as per instructions on screen.

6. Open iTunes SHIFT+ restore (on windows) & ALT + restore (on Mac os) and locate the firmware sn0wbreeze created.

Note: If you get errors use iREB to fix 16xx errors.

7. If you rely on Unlock, install ultrasn0w from cydia.

That’s it, enjoy your Unlocked, Jailbroken iOS 4.2.1 untethered iPhone/iPod Touch/iPad.

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Requirements

If you are on iPhone 3GS, you should match one of the requirements below:

• iPhone 3GS 3.0/3.0.1 Redsn0wed
• iPhone 3GS 3.0/3.0.1/3.1/3.1.2/ iOS 4 GM Pwned (Sn0wbeeze / Pwnage)
• iPhone 3GS Old bootrom 3.1.3 Spirit : First install Spirit2Pwn from http://repo.woowiz.net.
• iPhone 3GS Old bootrom 4.0.1 jailbreakme : First install Spirit2Pwn fromhttp://repo.woowiz.net.

Downloads:

• Sn0wbreeze V 2 Download
• . NET Framework 3.5 Download
• iOS 4.1 for iPhone 3G Download
• iOS 4.1 for iPhone 3GS Download

Guide: Jailbreak iPhone 3G, 3GS, iPod Touch 2g on iOS 4.1

Step 1. Launch Sn0wbreeze in administrator mode and connect  your iPhone/ iPod Touch via USB to your PC, press next arrow button to get started. Here you would have option to chose between modes:

• Simple Mode - Which provides step by step instructions as below and automatically detects your correct firmware and adds the unlock and activation and jailbreak with Cydia automatically to your
  custom firmware.
• Expert Mode – Where you can adjust the settings on the various different additions to the custom firmware – if you click through and do not change anything in expert mode it will make the same.

Step 2. Click browse to locate firmware ipsw and click Open. After selecting the firmware, Snowbreeze will automatically detect the device  to jailbreak.

Step 3. Click “General” and Sn0wbreeze asks you if you wish to activate your iPhone.

• If you are using an Official service provider (i.e. AT&T) you do not need to Unlock Baseband, select NO.
• If you are using an Unofficial service provider (i.e. T-Mobile), select YES

Step 4. In next screen check Cydia only.Next up choose  packages to be included in your firmware. Choose to have: Repository pre-added

Next, click  “Build IPSW” and wait for few minutes.

Step 5. Put your phone in DFU / Recovery mode. DFU recommended. Proceed as below:

1. Connect your iPhone to your computer.
2. Turn iPhone off.
3. Hold power and home together for 10 seconds (exactly).
4. Release power but keep holding home until the computers beeps (observed on a PC) as a USB device is recognized.
5. A few seconds later iTunes should detect your iPhone.
6. If the Restore Logo is present on the screen, you are in Recovery Mode, not DFU.

Step 6. fire iTunes,  Shift + Restore and Browse the firmware you just created. Sit back and relax as iTunes completes all procedures for upgrading your iPhone / iPod Touch.

After a successful jailbreak Goto Cydia and use Ultrasn0w to unlock your iPhone 3GS by adding repo http://repo666.ultrasn0w.com/ to Cydia’s sources.

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How to unlock iPhone 4 with UltraSn0w iOS 4.0.1/4.0 baseband 01.59.00.

Pre-Requisites

• Your iPhone 4 must already be jailbroken. [Jailbreak iPhone 4 iOS 4.0, 4.0.1]
• UltraSn0w can only unlock iPhone 4 baseband 01.59.00

Note: T-Mobile USA users please disable 3G network first. Settings >General >Network and turn the “Enable 3G” switch to OFF.

Step 1. Open Cydia, and add the following URL: http://repo666.ultrasn0w.com to your sources.

Step 2. Search for Ultrasn0w and install it:

Step 3. Once the installation is completed, reboot your iPhone 4.

Freaking Freedom! You can use any carrier with iPhone 4, after all its legal.

More iPhone Unlocking:

• Jailbreak, Unlock iPhone 3.1.3 [Redsn0w]
• Jailbreak, Unlock iPhone 2G 3G 3GS 3.1.2 [SnowBreeze]
• Unlock iPhone 3G 3GS [blackra1n] [blacksn0w]
• Unlock iPhone 3.1.2 05.11.07 with blacksn0w

More Jailbreaking Guides:

• Jailbreak iPod Touch 3G MC, 2G iOS 4.0.1 [JailbreakMe]
• Jailbreak iOS 4.1 [iPhone 3GS, iPod Touch 3G, 2G]
• Jailbreak iPhone 3G, 3GS, iPod Touch 3G iOS 4
• Enable Tethering on iOS 4

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Pre-requisites:

• iPhone 3g, 3GS 3.0/3.0.1 Redsn0w
• iPhone 3g, 3GS 3.0/3.0.1/3.1/3.1.2/ iOS 4 GM Pwned
• iPhone 3g, 3GS 3.1.3 Spirit : (not yet)

Downloads

• Sn0wbreeze V 1.6
• iPhone 3GS iOS 4 Final Firmware Download Here
• iTunes 9.2 Download Here

Jailbreak iPhone 3g, 3gs, iPod touch on iOS4

Step 1. Launch Sn0wbreeze as administrator and connect  your iPhone via USB.

Step 2. Click on next arrow and choose your preferred mode:

• Simple Mode - Step by step instructions (as below) and automatically detects your correct firmware and adds the unlock and activation and jailbreak with Cydia automatically to your custom firmware.
• Expert Mode – You have the power to adjust the settings on the various different additions to the custom firmware – if you click through and do not change anything in expert mode it will make the same.

Step 3. Lets select firmware. click “Browse” and locate it.

Step 4. Lets go through steps ne by one. Click “General” and advanced. At this point, if you chose to Jailbreak iPhone, the sn0w  asks us if you wish to activate your iPhone.

If you are using an Official service provider (i.e. AT&T or any other for worldwide users) you do not need to Unlock Baseband, select NO. If You are using an Unofficial service provider then Select YES

Step 5. Next you chose to install Cydia or Rock or both. Cydia is enough.

Step 6. It ’s time to choose the packages to be included in your firmware. We can choose between:

• Repository pre-added
• Add. Deb that you have on your computer.

We are almost done and ready to  “Build IPSW”. Just sit back and relax while custom ipsw is built.

Step 7. Now put your phone in DFU/Recovery mode

iPhone in recovery mode :

1. Turn the device completely off and disconnect it from cable/dock.
2. Hold down the home button.
3. While holding down the home button connect to a computer with a cable (easiest) or dock.
4. Keep holding down the home button until you see a connect-to-iTunes screen You are now in recovery mode.

Step 9. Fire iTunes and hold Shift  click on “Restore” button in iTunes and Browse the firmware you just created in step 6. Chill out as you wait. Now you have jailbroken iPhone/ iPod touch on iOS4. ext we will unlock it.

If you are  official carrier or own iPod Touch, you are done.

Unlock iPhone 3g, 3gs Baseband 04.26.08, 05.11.07, 05.12.01 and 5.13.04 With Ultrasn0w

Step 1. Open Cydia and add source http://repo666.ultrasn0w.com

Step 2. Search for ultrasn0wand install it and reboot with ANY SIM, your iPHONE IS UNLOCKED.

Other Jailbreaking guides:

• Jailbreak iOS 4.0 on iPhone 3G, iPod Touch [Windows, Mac]
• Jailbreak iOS 4 iPhone 3GS with Spirit
• HowTo Jailbreak iPhone 3G 3GS 3.1.3 [Spirit]

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With this update, iPhone 3G and 3GS gets baseband upgrades and none for iPhone 2G. This method works only for iPhone 2g, iPod Touch.

Note for iPhone 3G and 3GS Users: We strongly suggest that you stay away from this official upgrade until and unless the DevTeam or GeoHot releases new jailbreaking and unlocking tools for 3.1.3 firmware. Stay tuned @taranfx for updates.

How to Jailbreak, unlock iPhone/iPod

Download for iPhone Jailbreak: Redsn0w

• Windows
• Mac OS
• iPhone OS 3.1.3
• iPhone OS 3.1.2 (yes, it’s needed)

Note: In case you wish to unlock an iPhone EDGE, download Bootloader: bl39.bin and bl46.bin

Step 1. Connect the iPhone to PC/Mac and update your iPhone 2G to firmware 3.1.3 from iTunes.

Step 2. Launch Redsn0won and Browse and select firmware 3.1.2 and click next.

Step 3. It will start an automatic process (and very fast) which will be downloaded and patched the kernel.

After that, you would see a new screen with Cydia already selected.

• Verbose Boot: Will show Full command line boot process (optional)
• Custom Boot Logo: Replace apple logo with your own (320X480).  (optional)
• Already Pwned: Select it if you have selected anything above. (mandatory if above ones are selected)

Step 4. Now you will be asked to put the iPhone, iPod in Recovery Mode or DFU

How to put your iPhone in recovery mode :

Turn the device off, Hold down the home button. While holding down the home button connect to a computer with a cable. Keep holding down the home button until you see a connect-to-iTunes screen You are now in recovery mode.

To escape Recovery Mode and power the phone off simply hold down power and home buttons for ten seconds.

Step 5. Once you are in recovery mode/dfu mode redsn0w will start another automated process to complete the Jailbreak.

You are Done!

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Sn0wbreeze works well with iPhone 2g, iPhone 3g, iPhone 3gs, iPod Touch 1G, iPod touch 2G out of the box.

• Download Sn0wbreeze
• Download Firmware 3.1.2: iPhone 2G – iPhone 3G – iPhone 3GS

Step by Step Guide to Jailbreak and Unlock iPhone, iPod Touch: (The guide is very easy to follow, still if you need any assistance: Reach us @taranfx on twitter)

Step 1. Download the Firmware and launch Sn0wbreeze, make sure you run as administrator (if running Vista or 7).

Step 2. Click on the Blue next arrow. At this point you get option for choosing between two modes: Simple and Expert. We will do simple for now, choosing Expert is totally upto your experience level.

Step 3. Click on Browse and locate the 3.1.2 firmware. At this point, if you make a Jailbreak for iPhone, the application will ask whether you want to activate iPhone. That’s simple, if you are on unofficial career, Select YES, else NO.  and Click Start to start creating custom firmware and wait for several minutes.

Step 4. Put your phone into DFU mode using the on-screen instructions.

Step 5. Open iTunes and SHIFT +Restore and browse the custom firmware you just created. Wait for iTunes to finish off its stanard recovery procedure and you are done.

Wasn’t that easy? We often post easiest guides on iPhone, Android and more. You can stay updated via our live updates @taranfx on twitter or subscribe below, we won’t let you down. If

This version of blackra1n does:

• Unlock and jailbreak for 3.1.2 firmware on 05.11.07 baseband
• Enabling official tethering on the iPhone.
• Hacktivation [Auto Activation] support.
• 15 seconds speed improvement.

Note: blacksn0w is for iPhone 3G and 3GS users only. Those of you with iPhone 2G should follow the guide posted here or here for unlocking and jailbreaking 3.1.2 firmware.

Let’s get started:< Pre-Requisites:

Download iTunes (latest)
Download iPhone 3.1.2 firmware for iPhone 3GS

Download iPhone 3.1.2 firmware for iPhone 3G

Download blackra1n RC3

IMPORTANT: For those who have already installed blackra1n RC1 or RC2 should directly run the the Blackra1n.app and click on “ra1n” (ra1n replaces “Icy”).  This will automatically upgrade blackra1n to RC3. Now simply follow Step 3.

Step 1: Open iTunes, connect iPhone and Update/restore to the original iPhone firmware 3.1.2.

Step 2: You will now have to jailbreak your iPhone running on iPhone 3.1.2 firmware with blackra1n RC3. This procedure is same as earlier, and you can follow the guide: Jailbreak iPhone 3.1.2 Firmware using BlackRa1n..

Step 3: [When jailbreak completes] Open the blackra1n.app and you should now see “sn0w”.

Touch on “sn0w” to install blacksn0w. This will Unlock your iPhone 3G, 3GS running 3.1.2 firmware on 05.11.07 baseband.

Update: blacksn0w is now also available on Cydia: add http://blackra1n.com/ to cydia sources.

Note: If you have problems with WiFi, GPS, or YouTube after unlocking with Blacksn0w. If you have any such issues, go to Settings > General > Reset> and hit “Reset Network Settings”. Once that’s complete, do a hard power cycle by holding the sleep/home button for a few seconds and then sliding the on-screen power toggle.

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Should you run into any problems, ask your questions below.

iPhone 3.1.2 jailbreak with Blackra1n

As we know, GeoHot was the first one to jailbreak iPhone 3.1.2, now becomes the first to crack the 3.1.2 baseband for the unlock. This will help people who previously had unlocked their phone running 3.1 or higher without any luck. Good news, blacksn0w will fix all the issues.

blacksn0w will be an integral part of the upcoming version of blackra1n which will be released on 4th November 2009 and it will work on both the iPhone 3G, and iPhone 3GS with 05.11.07 baseband.

Hold back with us we will post a step-by-step guide on howto do it.

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Note: If you want jailbreak only, you can follow: iPhone 3.1.2 jailbreak with Blackra1n

Google the custom firmwares and download from torrents, as you read on:

• For iPhone 2G: “iPhone1,1_3.1.2_7D11_Custom_Restore”
• For iPhone 3G: “iPhone1,2_3.1.2_7D11_Custom_Restore”
• For iPhone 3GS: “iPhone2,1_3.1.2_7D11_Custom_Restore”

Hint: there is a site dedicated to custom firmware called iphonefix, try to look for it.

Step 1: Preparing your iTunes

Once download of the required .ipsw file completes, Move it to the following location:

Windows 7:
“C:\Users\[username]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates\”

Vista
“C:\Users\[username]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates\”

XP
“C:\Documents and Settings\[username]\Application Data\Apple Computer\iTunes\iPhone Software Update\”

Restart  iTunes9.1 (upgrade to latest version), while keeping the iPhone connected.

Step 2:  Restoring

Now you will have to restore your iPhone to this custom firmware 3.1.2 that you have just downloaded for your iPhone.

For Mac, Click on ‘Ok’ to the prompt displayed and hold Option key and then hit Restore button. For Windows, hold the shift key and then hit the restore button.

New window popsup asking you to locate your custom firmware. After selecting, iTunes will start decompressing and then will install. This is an automatic process, sit back and relax.

When it finishes, if you are on iPhone 2G, you are done. Your phone is jailbroken (with cydia installed) and Unlocked.

For iPhone 3G and 3GS, there’s just one more thing. ROFL like Steve Jobs always says.

Step 3: Installing Ultrasn0w (for 3G, 3GS  only)

Launch cydia,  Manage > sources > Edit > Add “http://repo666.ultrasn0w.com/”. This is the source for Ultrasn0w unlock for 3G.
After your sources refresh, search for “Ultrasn0w” and install it. Then Reboot . When it starts again, wait on the slide to unlock screen for say  10 seconds and after reaching home screen wait another 10. If you don’t see the your network working, reset network settings and try reinserting the SIM card and wait another 10 seconds.

You should be done.

Troubleshooting: Follow this guide if you get any iTunes Errors 16xx (1601,1602, 1603, 1604)

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NOTE: This guide is for those of you who are on a jailbroken iPhone 3GS firmware 3.0 or 3.0.1. If you have updated to iPhone 3.1 from iTunes but have saved your SHSH file to Cydia then you can still jailbreak but you’ll first have to downgrade your firmware back to 3.0 or 3.0.1. In other cases, you are locked out.

First thing we need is Custom Firmware: Google for iPhone 3GS Custom 3.1 download or “iPhone2,1_3.1_7C144_Custom_Restore”, else download below:

Start the Download, as you read on: Link

Let’s  Roll:

Step 1: Preparing your iTunes

Launch your iTunes9.x (upgrade to latest), connect your iPhone and sync to backup all your data.

Once download of the required .ipsw file completes, Move it to the following location:

Windows 7:
“C:\Users\[username]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates\”

Vista
“C:\Users\[username]\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates\”

XP
“C:\Documents and Settings\[username]\Application Data\Apple Computer\iTunes\iPhone Software Update\”

Now, Re-open iTunes,  you will be prompted to install the new firmware 3.1, DO NOT UPDATE from this prompt. Just close this dialog.

Step 2:  Restoring

Now, lets restore the 3.1 custom Firmware. To do this, press and hold left “Shift” button on the keyboard and then click on “Restore” (Not “Update”) button in the iTunes and then release the “Shift” button.

New window popsup asking you to locate your custom firmware. After selecting, iTunes will start decompressing and then will install. This is an automatic process, sit back and relax.

When it finishes your iPhone 3GS is unlocked and Fully Jailbroken.

Step 3: Syncing (optional)

Once you are done with the unlocking and jailbreak process. You can now restore all your settings, apps, music, contacts and photos to the newly installed firmware version 3.1 by restoring the backup that you made in Step 1 from iTunes.

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Troubleshooting: Follow this guide if you get any iTunes Errors 16xx (1601,1602, 1603, 1604)

Update: Jailbreak Unlock iPhone 3G 3GS 05.11.07 using blackra1n with blacksn0w

Pre-requisite: To downgrade your baseband from 05.11.07 to 04.26.08, you must first jailbreak your iPhone 3G running firmware 3.1 by following guide unlocking iPhone 3G, 2G on OS 3.1.

Step 1: Go to “Cydia” and Search for “Fuzzyband” and then install it.

Step 2: Start Fuzzyboard app and click on Downgrade button to start downgrading your Baseband from 05.11.07 to 04.26.08.

Step 4: Now, your iPhone 3G is having an unlockable baseband. Now proceed with Unlocking with Ultrasn0w.

NOTE: Downgrading of baseband will only work on phones that have the 05.08 (5.8) Bootloader. If you do not know your bootloader,  run Fuzzyband and it will report the version to you.

Feel free to  follow me on twitter to keep yourself updated on all the latest jailbreaking and unlocking releases.

Update: Guide to iPhone 3GS Jailbreak unlock 3.1

Update 2: Guide to iPhone Jailbreak 3.1.2 (blackra1n)

Update 3: Guide to iPhone Unlock, Jailbreak 3.1.2

So here we go thanking Dev Team for releasing new Pwnage tool, which now makes it possible to Jailbreak, Unlock iPhone 3.1  iPhone 3G users are advised to use Pwnage tool for retaining their current baseband.

Start these Downloads, as you read on:

iPhone 2G OS 3.1 Custom Firmware : part 1 part 2 (HJSplit) or part1 part2 (WinRAR)

iPhone 3G OS 3.1 Custom Firmware : part 1 part 2 or part1 part2 part3 (HJSplit)

Don’t get confused by “or” choose either of them.

All you have to do is download a custom firmware hotlinked below this custom firmware is created with Dev team Pwnage Tool that strips out the baseband update from the upgrade.

Read these Guidelines by Dev Team, before touching the firmware on your iPhone:

If you are using a 3G iPhone with ultrasn0w and rely on ultrasn0w to obtain cellular service, then you should only upgrade to 3.1 with a PwnageTool created .ipsw. – Stay away from Apple’s direct updates. (in case you have done this, follow Downgrade baseband guide.)

If you have an original iPhone (1st generation) then 3.1 unlock works with this PwnageTool release. iPhone 3G users upgrading to 3.1 will need to continue using ultrasn0w with a PwnageTool created 3.1 .ipsw

This version of PwnageTool will NOT work for the iPhone 3GS.

If you already updated your iPhone 3G to 3.1 non pwned or Apple firmware then you can’t enjoy UltraSn0w anymore.

For iPhone 2G, follow first 2 steps and for iPhone 3G follow 3rd step aswell.

Golden Rule: During the restore, if you get into any trouble, then put your phone in DFU mode and try again all over again.

Let’s Rock n Roll:

The files you downloaded above are split using HJSplit or Rar. Download HJSplit to join both the files – HJSplit for Windows and HJSplit for Mac. Winrar, probably, you already have it.

Step 1: Preparing your iPhone

Launch your iTunes9 (upgrade if you already haven’t), connect your iPhone and put it inphone in DFU mode by following instructions.

• Turn the phone off
• Hold power and Home buttons together for exactly 10 seconds
• Release power, while holding home button till the pc detects USB device.

A Display set to OFF shows that you were successful. If this doesn’t work for you searh for “iphone DFU” on Youtube.

Step 2:  Restoring

For Mac, Click on ‘Ok’ to the prompt displayed and hold Option key and then hit Restore button. For Windows, hold the shift key and then hit the restore button.

New window popsup asking you to locate your custom firmware. After selecting, iTunes will start decompressing and then will install. This is an automatic process, sit back and relax.

When it finishes, if you are on iPhone 2G, you are done. Your phone is jailbroken (with cydia installed) and Unlocked.

For iPhone 3G, there’s just one more thing. ROFL like Steve Jobs always says.

Step 3: Installing Ultrasn0w (for 3G only)

Launch cydia,  Manage > sources > Edit > Add “http://repo666.ultrasn0w.com/”. This is the source for Ultrasn0w unlock for 3G.

After your sources refresh, search for “Ultrasn0w” and install it. Then Reboot . When it starts again, wait on the slide to unlock screen for say  10 seconds and after reaching home screen wait another 10. If you don’t see the your network working, reset network settings and try reinserting the SIM card and wait another 10 seconds.

You should be done.

Troubleshooting: Follow this guide if you get any iTunes Errors 16xx (1601,1602, 1603, 1604)

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Downloads

Before you start, you must have a jailbroken iPhone if you haven’t jailbreaked your iPhone 3G then follow our Guide Jailbreak, Activate iPhone OS 3.0 With RedSn0w. For unlocking your iPhone UltraSn0w, a soft unlock payload from iPhone Dev Team is using. UltraSn0w is a small daemon that is launched on boot.  It injects the payload at boot and also whenever there is a baseband reset. Which is quiet similar to what Redsn0w did. You won’t notice anything about it other than that all Networks now work. Once you have a Jailbreaked iPhone then you can use these easy stepsto Unlock.

Why Ultrasn0w for 3G when REdsn0w unlocks iPhone 3G?

If you are using a 3G iPhone with yellowsn0w and rely on yellowsn0w to obtain cellular service, then you should NOT use redsn0w. Ultrasn0w (the 3G carrier unlock) is not included with redsn0w and therefore your baseband will be locked and unable to use an operator other than the official one it was bought for.

2. Yellowsn0w in its current form will NOT work with the baseband version that is present in the 3.0 update, you will need Ultrasn0w, Ultrasn0w will work with all iPhone 3G models (but not 3GS), even ones that were previously unlockable, Ultrasn0w.

If you are done with redsn0w, please proceed as below:

1. Launch Cydia Installer, Select the Manage tab at the bottom of the screen, then click the Sources button

2 : Click Edit at the top right & then Press the Add button at the top left. Enter “http://repo666.ultrasn0w.com/” in the source url and click the Add Source button. Now cydia would validate the supplied URL, check for updates in the source URL mentioned

3 : Once the source has been added and updated, click the Return to Cydia button. Press the Done button at the top right of the screen.

4 : Touch to select http://repo666.ultrasn0w.com/ from the list of sources.

5 : Touch to select ultrasn0w from the list of packages.Press the Install button and confirm. After installation completes successfully press the large Return to Cydia button, restart iPhone.

6: There is no step 6, Your iPhone 3G should now work with any network.

Dev Team Rocks!

For iPhone 3GS Unlock with Untrasn0w here and Jailbreak here.

If you want to build custom firmware files with more flexibility it is suggested that you use ‘PwnageTool’ on Mac OS X.

Before you start. Checklist:
1. GOLDEN RULE: If you are using a 3G iPhone with yellowsn0w and rely on yellowsn0w to obtain cellular service, then you should NOT use redsn0w right now. Ultrasn0w (the 3G carrier unlock) is not included with this release and therefore your baseband will be locked and unable to use an operator other than the official one it was bought for. UltraSn0w will be released via APT (cydia and icy) soon. If you have an original iPhone (1st generation) then 3.0 carrier unlock works with this redsn0w release.
2. Yellowsn0w in its current form will NOT work with the baseband version that is present in the 3.0 update, you will need Ultrasn0w, which will be released sometime soon, Ultrasn0w will work with all iPhone 3G models (but not 3GS), even ones that were previously unlockable, Ultrasn0w (when available) will be released via APT (this means you will be able to get it via Cydia or Icy).

Steps to Jailbreak, Unlock, Activate:

1. To use redsn0w v0.72 simply upgrade the device in iTunes to firmware version 3.0 and run redsn0w to activate and jailbreak the device (and if you are using an original iPhone 2G, it will unlock it too!) Official Links:

• Mac OS X torrent
• Windows torrent

i. Make sure your iPhone is both turned off and connected to the computer. Hold down the Hold (top left corner) button until the ‘Slide to power off’ message appears, and then slide the button to turn off the device

ii. Hold down the Power button (top left corner) button for 3 seconds…

iii. WITHOUT releasing the POWER button, also hold down the Home (bottom center) button for 10 seconds…

iv. WITHOUT releasing the HOME button, release the Power button. Keep holding the Home button for 30 seconds…

DFU MODE SUCCESSFUL

Now Redsn0w should successfully terminate and iPhone will continue the process and Reboot.

Happy Jailbreaking and Unlocking!

This method works for all types of upgrades to 3.0 7A341 & GM. i.e. from 2.x to 3.0, 1.1.x to 3.0 7A341 or GM

Easy Steps:

- Install iTunes 8.2

- Change date to something after “17th june”.

- Go into DFU mode.
- Restore to 2.0.2 (get it here).

- Jailbreak with Quickpwn RC3 (windows) available here

- go offline (iTunes should NOT be able to reach internet)
- Update to 3.0 (do not use “Restore”)

After upgrade is complete, iPhone is unlocked and activated, you can now sync with iTunes and go online