How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

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These are instructions on how to patch the CommCenter of your 3.1.2 iPhone 3G, 3GS to enable Internet tethering.

Warning: These are advanced instructions and are not suggested for beginners.

Prerequisites: You must be jailbroken on the iPhone 3.1.2 firmware. You need to have SSH installed and you need to know the IP Address of your device on the local network. Finally you will also need Fugu installed.

Step One
Create a folder on your desktop called Pwnage. In it place the patch file for your appropriate device. [3G] [3GS]
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Two
Double the download zip file to extract its contents. You will get a folder called CommCenter_3g_312 or CommCenter _3gs_312.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Three
Launch Fugu from your applications folder.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Four
Input your iPhone's IP Address in the Connect To: field and use root as the Username. Click the Connect button to continue. For this to work you must have SSH installed.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

When prompted input alpine as the password then click the Authenticate button.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Five
Once Fugu opens the directory contents of your device, use the left panel to navigate to the Pwnage folder on your desktop.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Next, click the Go To.. button on the toolbar.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Input /System/Library/PrivateFrameworks/CoreTelephony.framework/Support/ into the Go To field, select Remotely, then click the Go button.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Drag the CommCenter file from the right panel into the left panel to copy it to your computer.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Six
Launch Terminal by double clicking it from the Applications:Utilities folder on your computer.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Execute cd Desktop/Pwnage to navigate to your Pwnage folder.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Execute bspatch CommCenter CommCenter-patched CommCenter_3g_312/CommCenter3g.patch to make a patched version of the CommCenter.

IMPORTANT: Remember to change 3g to 3gs if you have the iPhone 3GS. ie. bspatch CommCenter CommCenter-patched CommCenter_3gs_312/CommCenter.patch
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Now we need to confirm that the patched file was created successfully. Input this command into the Terminal window to check: /usr/bin/openssl sha1 CommCenter-patched.

Check your SHA1 with the correct ones below to make sure the patch occurred successfully. If it did not. Do not continue.
1b19712035f33654cf72838ebe1a2033931b56b2 # 3GS
063165c3fa3e21d30eb4b486fab924ba3ef0ea5e # 3G
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Seven
Return to Fugu and Control-Click CommCenter in the right panel. Select Rename from the contextual menu and rename the file to CommCenter-backup.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Click the Reload button on the toolbar if necessary then drag the CommCenter-patched file from the left panel to the right.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Control-Click the CommCenter-patched file from the right panel and select Get Info from the contextual menu. At the bottom of the Info window change the permissions to 0755 and click the Apply button.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GSHow to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Control-Click the CommCenter-patched file in the right panel and select Rename from the contextual menu. Rename the file to CommCenter.
How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

How to Enable Tethering on Your 3.1.2 iPhone 3G, 3GS

Step Eight
You may now reboot your iPhone and you will be able to use Internet Tethering. You may need to follow this tutorial to apply the correct settings for your carrier.


***THANKS: I'm not sure who first found this patch; however, thanks to MuscleNerd for announcing it!
itayms - April 3, 2013 at 5:21pm
try this one, http://www.rapidunlockers.com/ I have unlocked my phone there.very fast service (about 6 hours total) and cheap, now i can update to any version without having to worry that my phone will be locked ever again. Only 9.99 for phone unlocks!
haymon - May 26, 2010 at 7:58pm
works with 3.1.3 firmware???
Ruben D Mercado - April 21, 2010 at 1:32pm
Anyone try this on a 3.1.3?
Mark - May 3, 2010 at 3:36am
No, I can\'t boot up...
fink - May 6, 2010 at 12:40pm
I\'d like to know the same: will it work on 3.1.3, 3GS, spirit jb?
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