Sorry if there was a thread on this before, I searched but couldn't find what I was looking for.
Anywho, I was wondering if anyone could point me in the right direction. My sister has an iPhone 4 on T-Mobile (using a gevey sim card) and it's currently running iOS 4 right now (not sure of the exact version number). I've read something about upgrading to iOS 5 in that you have to preserve the original baseband for the phone to work using T-Mobile on iOS 5. How would this work if she wanted to upgrade her phone to iOS5? Is it possible right now?
Anywho, I was wondering if anyone could point me in the right direction. My sister has an iPhone 4 on T-Mobile (using a gevey sim card) and it's currently running iOS 4 right now (not sure of the exact version number). I've read something about upgrading to iOS 5 in that you have to preserve the original baseband for the phone to work using T-Mobile on iOS 5. How would this work if she wanted to upgrade her phone to iOS5? Is it possible right now?