Ultrasn0w

If you are one of the unlucky few who rely on an carrier-unlock for iPhone 3G and accidentally updated to iOS 4.1 upgrading your baseband (modem) to v 05.14.02 which is not unlockable, here is a method to let you upgrade your baseband to one of iPad 06.15.00 which is fortunately still vulnerable and will allow us to unlock using ultrasn0w.

In this comprehensive step-by-step illustrated guide we will walk-trough the complete process of jail-breaking and unlocking an iPhone 3G running iOS 4.1 having modem version 05.14.02.

Apple iPhone 2G is a legacy now but is still used passionately by many, if you also own one and the device is stuck at the boot logo or entering into a recovery loop failing to let the device start here is a step-by-step tutorial on how to get things back on track.

iPhone Dev Team has posted an update for the UltraSn0w software carrier unlock to version 1.1-1, the new update offers tweaks to offer improved standby battery life and better stability.

To update simply visit Cydia and let it download the proposed updates.

As promised iPhone Dev Team has released software carrier unlock for iPhone 4 as an update for ultrasn0w to version 1.0-1, the update now allows users having iPhone 4 with baseband 01.59 and 3G/3GS basebands 04.26.08/05.11.07/05.12.01/05.13.04 enjoy services of any service provider on their contract locked devices.

iPhone Dev Team member musclenerd has been working on an iPhone 4 carrier unlock for quite some time and has now updated that the progress is steady, updating eager iPhone 4 users waiting for an carrier-unlock he tweeted :

Steady iPhone4 unlock progress with @planetbeing...custom "pp" command to dump thread priorities: http://is.gd/dirUZ

Apple iOS4 is finally out and so does the jailbreaking and unlocking utilities, the iPhone Dev Team has posted updates to their iPhone Jailbreaking utility redsn0w and carrier unlock ultrasn0w to support the newest iOS version with latest baseband (05.13.04) - this means that users can now safely update their iDevices to current iOS version without worrying about loosing there unlock and jailbreak ability.