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3.1.2 Firmware Update Removes Rogers/Fido Tethering?

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Just a few days ago I finally had the time to update my iPhone 3GS to 3.1.2 firmware via PwnageTool 3.1.4. Why didn’t I just click ‘Update’ within iTunes? Well, that’s because I want my modem firmware to remain fully unlockable.

By restoring with a custom 3.1.2 firmware via PwnageTool, I can still unlock my iPhone–which is extremely important should I consider moving to Telus/Bell in the future.

Did the 3.1.2 Firmware Update Remove Your Rogers/Fido Tethering Capabilities?

Leading up to my 3.1.2 update, I had read instances here and there of people losing the ability to tether with their iPhones. The first time was from my Uncle’s iPhone 3GS on Fido. Next up, I heard about people losing their tethering on Rogers via twitter.

So when I did my custom firmware update to 3.1.2, did I lose my tethering ability too? Nope. Tethering worked fine over the USB cable on my MacBook Pro, but I had some issues getting Bluetooth to work. Either way, I was still able to tether.

Why Did I Lose My Ability to Tether on Rogers/Fido With My iPhone?

The only reason I can think of is that included with the 3.1.2 update via iTunes is a new Roger/Fido IPCC file. This file contains instructions on whether or now your phone will be allowed to tether or not. As for why only certain iPhones show that tethering can be even turned on, that is a mystery to me.

To solve your tethering situation, you can call into Rogers/Fido and get them to enable tethering on your account, as long as your data plan is 1GB or higher.

So, let’s take this to a poll! Answer the following…

Can you tether on 3.1.2?
iPhone 3G/3GS?
Jailbroken via PwnageTool/blackra1n?
Rogers or Fido?

Let us know in the comments!

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