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iPhone 3gs - firmware and baseband

S

superway

macrumors newbie
Original poster
Jul 30, 2012
4
0
Hello,

Iphone 3gs, 32gb
firmware: 5.1.1
baseband 05.13.04

After following instruction to unlock my phone, there is still NO SERVICE for Tmobile. I would like to ask 2 question.

1. Are my firmware (5.1.1) and baseband (05.13.04) NOT compatible to unlock?

2. Is it supposed to be firmware (4.0.1) and baseband (05.13.04) ARE compatible?

Thanks
 
FWIW I'm on the same firmware/BB combo and using an unlock in Canada (Which I've also used with Orange in the UK and on ATT prepaid in the states) so you should be able to unlock with ultrasn0w after you've jailbroken your 3GS.
 
I would recommend searching the ios hacks section. There are several threads discussing this that may helpful.
 
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