iPhone 3.0 Tethering: How-to & Speed Test Results
June 29th, 2009
I recently unlocked the tethering feature on my new iPhone 3GS by following this guide. It was simple, painless, and did not require any jail-breaking. I was also pretty impressed with the speed test results (included below).

SpeakEasy Speed Test Results for iPhone Tethering
iPhone 3GS, Tethering in Progress
Keep in mind, no one knows how AT&T will respond to you unlocking this feature right now. If you choose to be bold and daring like myself, you may end up with a nasty bill from our favorite cell phone provider. I’ll keep you updated on that front and let you know if anything happens.
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Here are some helpful tips:
* Install the latest iTunes software first.
* Turn on tethering before connecting the iPhone to the machine.
Before I did this, my netbook only recognized my iPhone as a camera. After I did this, it recognized it as a network (265kbps down, 262kbps up).