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Discussion in 'Jailbreaks and iOS Hacks' started by Dhelsdon, Jun 29, 2012.
Any way to unlock 4.2.1 or update to 5.1.1 and unlock for iPhone 4?
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.