Is the iphone unlocked? If not you ned to unlock it again - different sim - you need to repeat the unlock process.
Unlock your iphone.Depending on which firmware and model you can use a sim card unlock (you can check my signature) or a software unlock.
If your iphone is really unlocked (not only jailbroken - that are two different things) and if you properly setup it up it will work with tmobile.
But if you are on the 2.2.1 firmware you can still unlock it but only with a sim card.
Which model of iphone and which firmware? You can use a sim card, that would be the easiest way. There are also software unlocks, but this depends...
First of all there is not 9.8 firmware I know of. That is some mistake of yours. If you upgrade to 2.2 and are not exatly sure what you are doing...
Unfortunately you cant downgrade to older firmware because the basebands stays locked to 2.30 The baseband is the problem not the firmware. You...
I think it will come with the last firmware. You will be able to unlock it most probably. No it wont brick your iphone. Yes you can upgrade to new...
Hi Jason, Yes an unlocked iphone will work with tmobile. Dont know for sure about the clonebut I think it should definitely work with it. Go with...
Get a new one, if you can. A new iphone is a much better bet, only if you can afford it. Unlock it after, or get someone to help you. Good luck!
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