Tethering the 3g Iphone with 3.0 Firmware – A Complete how-to Guide.
Posted on 17 September 2009 by admin
Alright, so you want to connect your iPhone (3g, 3gs) to your netbook or laptop. It’s possible now, and here how:
Difficulty level:
Medium
What you need:
>Mac OS X 10.5 or later
>Download this carrier settings file from gizmodo.com and double click it to mount it in Finder
>iPhone OS 3.0
>Final release version of iTunes 8.2 (download link)
Notes:
iPhone OS 3.0 will be available to all iPhone users on June 17.
Setting up tethering for your iPhone
Uninstall iTunes 8.2 Mac
1. Drag the Application iTunes from the apps folder on your Mac to the Trash.
2. Launch Activity Monitor from Applications/Utilities and kill the iTunes Helper process.
3. Go to Finder. Navigate to your ~/Library folder and delete the iTunes folder at ~/Library/iTunes.
4. Navigate to ~/Library/Preferences, locate the following three files, and drag each one to the Trash: com.apple.iTunes.eq.plist, com.apple.iTunes.plist, and com.apple.iTunesHelper.plist
5. Empty the Trash
Install iTunes 8.2 prerelease Mac
6. Install the iTunes 8.2 prerelease you downloaded.
7. Connect your iPhone with iPhone OS 3.0 software loaded on it to your computer with the standard USB sync cable.
8. Once the iPhone is connected, go to the Device Summary page in iTunes.
9. While pressing and holding the Option key on your Mac, click the Restore button in iTunes
10. Browse to the mounted carrier settings file you downloaded and mounted above and select theĀ ATT_US.ipccfile. iTunes will now perform an upgrade on your iPhone and display the following message:
Set up tethering on your iPhone
11. Launch the Settings app on your iPhone and go to General and then Network while your iPhone is still tethered to your computer.
12. Locate “Internet Tethering” and turn it on.
If tethering is successful, you will see a message that is similar to the following:
Go into Preferences Network select the adapter as displayed above, and you’ll see something similar to this as it becomes active:
Your iPhone will display a blue background banner on different screens to indicate that tethering is active and running as shown below.
And you’re done!
Please comment with your success, tips, tricks and issues!
Tags | 3g tethering, iphone 3.0 tethering, iphone 3G tethering, iphone tethering









June 15th, 2009 at 7:29 am
does your iphone have to be broken into to be able to tether??
June 17th, 2009 at 6:02 pm
Hi Kim
No, with 3.0 the phone does not need to be Jailbroken or unlocked to enable tetethering.
July 15th, 2009 at 6:23 pm
Same here as from Kaz’s. I’m unable to select carrier file in iTunes.
My itunes is upgraded from ver. 8.2 into 8.2.1
I wonder, is “.1″ preventing this from to happen?
August 7th, 2009 at 10:38 pm
After step six, open terminal and type in the following command: (*NOTE: Must reopen iTunes if it is already open after running this command)
defaults write com.apple.iTunes carrier-testing -bool TRUE