The iPhone Dev Team today released Ultrasn0w 1.2.4 which brings iPhone 4 and iPhone 3GS unlock on iOS 5 . Ultrasn0w 1.2.4 Released to Unlock iPhone 4 on iOS 5 . iPhone 3GS Unlock on iOS 5 can be done using ultrasn0w 1.2.4. iPhone 3GS/ iPhone 4 Unlock on iOS 5 . Ultrasn0w 1.2.4 won’t support any new Basebands . Users who rely on Unlock iOS 4.x.x now update to iOS 5 , can keep their Unlock live . Unlock iOS 5 On iPhone 4 / 3GS Using Ultrasn0w 1.2.4 Or Gevey SIM .
How to Unlock iPhone 4/3GS on iOS 5 with Ultrasn0w 1.2.4
Guys who rely on Carrier Unlocks using Ultrasn0w, got a good news, iPhone Dev Team just released version 1.2.4 for Ultrasn0w to support the final version of iOS 5 IPSW. Just Grab Ultrasnw0 1.2.4 to Unlock iOS 5 On iPhone 4 / 3GS Using Or Gevey SIM on these supported Basebands:
If your iPhone 4 on Baseband 01.59.00, then you will need to Reserve iPhone 4 Baseband to prevent upgrading to higher Baseband in order to get your iOS 5 Unlock. Afdter Preserving iPhone 4 Baseband, now get ready to Unlock iOS 5 on iPhone 4/3GS using Ultrasnw0 1.2.4.
The news comes straight from MuscleNerd – a famous hacker, jailbreak developer who is a part of the iPhone Dev-Team – in a tweet where he announces the updated version of Ultrasn0w.
Ultrasn0w is a program created by the iPhone Dev-Team which lets users unlock their iPhone so that they can use it on carriers other than the official ones. Once users have Jailbroken their iPhone, they add a new repo to Cydia and then install Ultrasn0w to unlock their iPhone on iOS 5.
This Updated version of Ultrasn0w 1.2.4 supports iOS 5 Final and can Unlock these Compatible Basebands: 01.59.00 for iPhone 4 and 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00 for iPhone 3GS.
Unlock iPhone 4 on iOS 5 Unlock iPhone 3GS using Ultrasn0w 1.2.4
Step 1 – Jailbreak your iPhone using the latest version of Redsn0w or Sn0wbreeze on iOS 5 . Keep in mind that both jailbreaking tools support the preservation of the old baseband.
Step 2 – Once you’re done jailbreaking iOS 5 on your iPhone 3GS/4 , head to Cydia -> Manage -> Sources.
Step 3 – Tap on the Manage tab then tap on Sources then tap on Edit and Add the following repository: http://repo666.ultrasn0w.com/
Step 4 – After adding the repo, search in Cydia for Ultrans0w and you’ll tap on it then hit install, hey you are Successfully Unlocked iOS 5 on iPhone 4 and Unlocked iPhone 3GS on iO5 after a respring.
Notes from the iPhone Dev Team about iPhone 3GS on the iPad baseband 06.15.00 :
Note: there’s a special “trick” that iPhone3GS owners with baseband 06.15 need for iOS5. During the new setup screens you see when you start iOS5 for the first time, you’ll be asked about Location Services. Be sure to select “Disable Location Services” when asked! Later on in the setup, you’ll have the chance to turn on Location Services again when asked if you want to use “Find my iPhone”. It’s fine to turn it back on at that point, if that’s your desire (or you can always go in and enable it in Settings.app).
Also, some iPhone3GS users with the 06.15 baseband may have tried to install iOS5 using a stock IPSW (even though you should never ever try to use a stock IPSW if you’re an ultrasn0w unlocker). If you did try this, your baseband is probably in an inconsistent state, and you’ll need to reflash the 06.15 baseband again (using redsn0w). Be very careful if you use redsn0w to reflash the iPad baseband — don’t interrupt the process! And please avoid using stock IPSWs in the future : Unlockers should never go near stock IPSWs.
For Gevey SIM users
Simply jailbreak using the methods given in Step 1 and follow the regular procedure for unlocking, which includes dialing the emergency ‘112’ number from your iPhone 4 and turning Airplane mode on or off till you get a cellular signal. How to Unlock iOS 5 on iPhone 4 using Gevey SIM Turbo Unlock .