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Thread: Upgrading from 4.3.3. to 5.0.1.
12-05-2011, 07:31 PM #1Upgrading from 4.3.3. to 5.0.1.
Thanks ahead of time for tuning in to my post so anyways I am currently running an iPhone 4 on (4.3.3.) with a baseband of 04.10.01 + a Gevey sim (Tmobile)...
Since I do rely on a carrier unlock, is there an official guide on how to upgrade successfully without preventing my iPhone from bricking or preventing me from a carrier unlock?
12-05-2011, 09:17 PM #2
You can create a custom firmware to preserve your baseband and restore to 5.0.1 to be able to use Gevey Sim. I pesonally would stay away as Gevey sim may or maynot work even with preserved baseband.
12-05-2011, 10:03 PM #3
How to Unlock iPhone 4 using GEVEY SIM on iOS 5 , 5.0.1 | iPhoneRock
^i see...I found this, and it states that it is working fine.
on a side note, can anyone confirm that they're running 5.0.1 with Gevey?
12-08-2011, 12:33 AM #4
can anyone link me to an official guide?