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Unlock iOS 4.2.1

Confirmed ! Gevey SIM Can Unlock iPhone 4 in US On Baseband 2.10.04 / 3.10.01

Taimur Asad·March 20, 2011
We have just received some exclusive screenshots showing iPhone 4 unlocked using Gevey SIM, on 2.10.04 baseband, running on T-Mobile US network.

Gevey SIM Interposer Can Unlock iPhone 4, iOS 4.3 / 4.2.1 On 2.10.04 / 3.10.01 Baseband, Albeit Legally Questionable [Video]

Taimur Asad·March 17, 2011
The Gevey team has announced a new unlocking method for iPhone 4 users who are stuck on iOS 4.2.1, with 2.10.04 or 3.10.01 baseband.

Permanent iPhone 4 Unlock Solution In Works !

Taimur Asad·March 11, 2011

iOS 4.3 Baseband 04.10.01 Vulnerable for iPhone 4 Unlock, Confirms Dev Team

Taimur Asad·February 28, 2011
Good news for iPhone 4 unlockers as we have yet another update, this time from none other than the man who actually works on the Ultrasn0w, MuscleNerd of iPhone Dev Team!

Update on iPhone 4 Unlock on Baseband 3.10.01 and 2.10.04

Taimur Asad·February 28, 2011
Its been a while since we last heard or read anything on the upcoming iPhone 4 unlock for 3.10.01 and 2.10.04 basebands. MuscleNerd of iPhone Dev-Team has already confirmed that unlock for iPhone 4 on newer basebands wont be released until Apple drops iOS 4.3 to public.

How to Preserve Baseband, Jailbreak and Unlock iPhone 4, 3GS, 3G on iOS 4.2.1 Using PwnageTool 4.2 / Sn0wbreeze 2.2 [Video]

Steven Chi·February 16, 2011

How to Jailbreak iPhone 4 (1.59.00 Baseband) Untethered on 4.2.1 with GreenPois0n RC5 and Unlock with Ultrasn0w

Taimur Asad·February 4, 2011
The following instructions will help iPhone 4 unlockers to update to iOS 4.2.1 while keeping the old 1.59.00 baseband, jailbreak it untethered with GreenPois0n RC5, and then unlock it with Ultrasn0w.

How to Update iPhone 4 to iOS 4.2.1 While Preserving Old 01.59.00 Baseband for Unlock [Guide]

Taimur Asad·January 3, 2011
If you have an iPhone 4 with the older and unlockable 01.59.00 baseband, and you want to upgrade to the latest iOS 4.2.1 while preserving your baseband, we have a solution for you. The following method will allow you to upgrade your iPhone 4 to iOS 4.2.1, while preserving the 01.59.00 baseband which is unlockable using Utrasn0w 1.2.

Here’s How To Downgrade iPhone 06.15.00 Baseband to 05.13.xx (iPhone 3G Bootloader 5.8 Only)

Haras·January 1, 2011

Sn0wbreeze 2.2 With “Baseband Preservation Mode” Will Enable You To Unlock iPhone 4, 3GS, 3G on iOS 4.2.1 via Ultrasn0w

Taimur Asad·December 27, 2010
The iPhone developer and hacker iH8sn0w has just teased a screenshot of Sn0wbreeze 2.2 with a new “Baseband Preservation Mode”. This new mode will enable current iPhone 4, 3GS and 3G users to preserve their baseband while upgrading to iOS 4.2.1 so that they can unlock using existing version of Ultrasn0w.

You Will Soon Be Able to Downgrade Baseband 06.15.00 to 05.15.04 on iPhone 3GS / 3G

Taimur Asad·December 8, 2010
Earlier today, MuscleNerd confirmed that he has got a “backup” method of making jailbreak untethered on iOS 4.2.1. This new method utilizes iOS 4.2b3 (Beta 3) SHSH blobs which Cydia only recently started saving for all iOS devices.

How to Update iPhone 3GS / 3G Baseband to 06.15.00 with Redsn0w 0.9.6b5 for iOS 4.2.1 Unlock

Taimur Asad·November 29, 2010

How to Unlock iOS 4.2.1 with Ultrasn0w 1.2 [Video Guide]

Taimur Asad·November 29, 2010
The iPhone Dev-Team has released the updated version of carrier unlocking tool called Ultrasn0w which can unlock the latest iOS 4.2.1 and 4.1 firmware on iPhone 3GS and 3G on basebands later than 05.13.04. Since iPhone 4 has different baseband OS, It'll take a little while longer for the Dev Team to unlock it on the latest firmware.

Update iPhone 3GS / 3G Baseband to 06.15.00 with PwnageTool 4.1.3 for iOS 4.2.1 Unlock [Guide]

Taimur Asad·November 29, 2010
A special edition of PwnageTool (version 4.1.3) has been released which can update the baseband of iPhone 3GS & 3G to 06.15.00 so that they can be unlocked using Ultrasn0w 1.2 on the latest iOS 4.2.1 or iOS 4.1 firmware. This is important because basebands 05.14.xx and 05.15.xx are currently not unlockable using Ultrasn0w.

Unlock for iPhone 3GS and 3G on iOS 4.2.1 Released !

Taimur Asad·November 29, 2010
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