[HELP] How to undo iPad Baseband on iPhone 3GS

hey, got used iphone 3gs today , wanted unlock sim using jailbreak on 5.1, think iphone 3gs isn't compatible ipad baseband.

how can normal?

please dad kill me if cant fix it.

 

you can't undo ipad bb.
if you're on 5.0.1 , tried restoring stock firmware need install ipad bb again using redsnow.

 

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