Dhelsdon macrumors 65816 Original poster Jun 29, 2012 #1 Hi, Any way to unlock 4.2.1 or update to 5.1.1 and unlock for iPhone 4? Thanks
PsstGreek macrumors 68040 Jun 30, 2012 #2 First option would be, to use a Gevey Sim on 4.2.1. You can use one on 5.1.1 but you'll have to create a custom firmware then upgrade. Or, you can try and get a carrier unlock.
First option would be, to use a Gevey Sim on 4.2.1. You can use one on 5.1.1 but you'll have to create a custom firmware then upgrade. Or, you can try and get a carrier unlock.