Can you jailbreak a Gevey Sim iPhone 4?

DangItzKhanh

macrumors newbie
Original poster
Jun 1, 2012
4
0
I have a iPhone 4 4.2.1 unlocked with a Gevey sim for use for T-Mobile. Is it safe to jailbreak it with greenpoison or with any recommended jailbreak program?

Please and Thanks for the responses.
 

DangItzKhanh

macrumors newbie
Original poster
Jun 1, 2012
4
0
Bump for some help please. I've read that you need to preserve your baseband for unlocking but what if it's already unlocked via a gevey sim? Is it safe to jailbreak and if so any program?
 
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Applejuiced

macrumors Westmere
Apr 16, 2008
40,672
6,531
At the iPhone hacks section.
Bump for some help please. I've read that you need to preserve your baseband for unlocking but what if it's already unlocked via a gevey sim? Is it safe to jailbreak and if so any program?
You still need to preserve your baseband.
If you update to stock 5.1.1 then your gevey will NOT be able to unlock your iphone any longer. A gevey unlock is not a permanent unlock but one that unlocks certain baseband versions.
 
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DangItzKhanh

macrumors newbie
Original poster
Jun 1, 2012
4
0
What if I just keep it at 4.2.1 and not update? Do I still need to find a way to preserve the baseband before I jailbreak it?
 
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DangItzKhanh

macrumors newbie
Original poster
Jun 1, 2012
4
0
Okay thanks a bunch! Now I can jailbreak with greenpoison 4.2.1 version without worrying.
 
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