How to Tether on iPhone 3G 3GS Firmware 3.1.2

When the iPhone OS 3.1.2 update was released, it immediately killed internet Tethering.

Yesterday, iPhone hack GeoHot released Blacksn0w, an unlock for the iPhone 3G and 3GS.

Note: You can also follow Universal iPhone Internet Tethering

Let’s start the 3.1.2 specific Tether

Step 1. Jailbreak, Unlock iPhone 3G, 3GS using blackra1n. Open the Blackra1n app .(This assumes that you “sn0w”, then hit the Install button. )

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.

Step 2. Open Safari. Navigate to: http://m.peacefulinsanity.com/Tether.mobileconfig

Step 3. Hit the “Install” button on the right top. Confirm the resulting prompt. Allow the IPCC file to install, which will take about 10 seconds.

Step 4. Close Safari. Hold the sleep and home button until your iPhone resets. This reboot may take a bit longer than normal.

    IMG_0189

When your iPhone resets, go into Settings > General > Network > Internet Tethering. If you can successfully switch the “Internet Tethering” slider to “On”:

Congratulations! Everything seems to have worked as expected.

Enjoy your jailbroken, tetherable iPhone 3G/3GS on OS 3.1/3.1.2!

If you need any assistance, feel free to ask below, we will be happy to help.

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  • Thanks for sharing this valuable information.The contain is really good because it is really user friendly and meaningful….

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  • killacross80

    Hi,

    I did enable tethering option through settings/network. I connect via USB to my work PC and i search for Network Connections and does not see any options besides my LAN. Does Itunes need to be installed in the PC or Laptop you are trying to tether??

    Please advise 🙂 Thank you

    VA:F [1.9.22_1171]
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    VA:F [1.9.22_1171]
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  • killacross80

    Hi,

    I did enable tethering option through settings/network. I connect via USB to my work PC and i search for Network Connections and does not see any options besides my LAN. Does Itunes need to be installed in the PC or Laptop you are trying to tether??

    Please advise 🙂 Thank you

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