How to Unlock iPhone 3G OS 3.0 with Ultrasn0w. In 5 Easy steps

Earlier, I Blooged how to unlock 2G and 3G using Redsn0w, this article is for unlocking iPhone 3G with Ultrasn0w.

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

1046210463


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!

VN:F [1.9.22_1171]
Rating: 0.0/10 (0 votes cast)
VN:F [1.9.22_1171]
Rating: 0 (from 0 votes)

Related Posts

Bookmark and Promote!

  • Pingback: How to Unlock iPhone 3G OS 3.0 with Ultrasn0w. In 5 Easy steps … « Iphone news()

  • I have the new iPhone 3G S. i really love it. if you are interested check out my blog i recently started on.

    if possible look it over and comment on something with some tips you may have to offer me, thanks in advance!

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • Paul

    I just installed ultrasn0w and rebooted, but I don’t have a handy SIM card to test with at the moment.

    Is there a way to confirm unlock on the phone itself? Using Terminal perhaps?

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • @Paul.
    Im afraid, there is no way to confirm that, atleast i dont know of any.
    Its just breaking of a carrier frequency lock, I dont think so that info is available from baseband to iPhone OS. Baseband works independently

    VN:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VN:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • Paul

    @Taranfx.

    Ok. Thanks anyway. And thanks for the 5-easy-steps! 🙂

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • jc

    i unlock my iphone 3g 3.0 but i keep losing signal can any body please help pleases !!!!!

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • @jc
    did u unlock ur 3g for the first time ?
    Wat is the exact problem, when does it lose signal? after prolonged use or something ?

    VN:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VN:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • packdogs

    i unlocked my iphone 3g 3.0 and my iphone was locked to vodafone. my vodafone sim card works fine but i put in a telstra sim and i keep loosing the signal after i have the signal for like 2 seconds. plz help!! thx

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • Pingback: How to Jailbreak, Unlock, Activate iPhone 3G S OS 3.0 Redsn0w | Taranfx: Technology Blog()

  • Pingback: Jailbreak, Unlock, Activate iPhone 2G 3G OS 3.0 using Redsn0w | Taranfx: Technology Blog()

  • Jc

    I lost signal after I put my sim card in I get signal then it drops it then it comes back then leaves need help

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • @JC
    did u try settings> reset network settings and then reboot?

    i would like to help you but the issue is this has to be reported at the http://blog.iphone-dev.org/post/128573459/ultras-now
    though they dont respond to user queries. They (DevTeam) launched the software that is supposed to work for most of the people.

    Though u can try with the latest version if u havent already done tht.

    VN:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VN:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • Narendra

    Can unlocking work without activation with AT&T?
    I m planning to get iphone from my school campus and then unlock it myself.
    Is this possible? if so how do I connect to Internet to download cydia and other stuff?

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • great article dude, saw something about it on tv last night, keep up the good work, check my site out about unlock iphone 3g at all feedback good or bad appreciated!,

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • O.S

    i unlocked and jailbroke an unactivated iphone 3g (3.0 firmware) using redsnow and ultrasnow. however after jailbreaking, no network signal is detected, keep getting ‘restricted network’ message after searching for network or switching on and off airplane mode

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • nick

    dude you saved me from certain death

    you saved my phone
    if I knew you I would kiss you

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
  • crossfire

    how to get carriers after spirit jb

    VA:F [1.9.22_1171]
    Rating: 0.0/5 (0 votes cast)
    VA:F [1.9.22_1171]
    Rating: 0 (from 0 votes)
© 2016 Geeknizer. All rights reserved. XHTML / CSS Valid.
Designed by taranfx.