Till now all of you known that Apple has released iOS 4.0.2 firmware for iPhone 4, iPhone 3GS, and iPhone 3G. In this update, the important thing is that they haven’t updated the baseband of iPhone which means that baseband 05.13.04 on iOS 4.0.2 firmware can still be unlocked with ultrasn0w unlocking tool.
But before unlocking your iPhone first must need to jailbreak it. So after the release of iOS 4.0.2, only iPhone 3G and iPod Touch 2G can be jailbroken on this latest firmware with the existing version of redsn0w jailbreaking tool.
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The ultrasn0w 1.1-1 is compatible with iPhone 3G, iPhone 3GS, and iPhone 4 and will work with all iPhone’s having up to iOS 4.0.2 with baseband 04.26.08, 05.11.07, 05.12.01, and 05.13.04. To unlock your iPhone on iOS 4.0.2 then follow the guide posted below.
Unlock iPhone (Any Baseband) on iOS 4.0.2 – How to
Just follow the step-by-step guide posted below to unlock your iPhone 3G on iOS 4.0.2:
- Before unlocking, first you must need to jailbreak your iPhone on iOS 4.0.2 with redsn0w which can be done by following the guide posted here.
- Now you’ve to activate your iPhone using original and officially supported carrier SIM. In case if you don’t have original SIM then you can follow the guide posted here to activate your iPhone without original SIM.
- Once your iPhone is successfully activated, then you’ve to unlock it with ultrasn0w 1.1-1 by following the guide posted here.
- Now once you’ve unlocked your iPhone, you can use it with any carrier you like.