However, it is not clear if the updated version of Ultrasn0w will unlock baseband 05.15.04 that was shipped with iOS 4.2.1.
Ultrasn0w For iPhone 3GS, iPhone 3G Will Unlock All Basebands, Including iOS 4.2.1 Baseband 05.15.04
There is finally some good news for iPhone users who want to unlock their iPhone.
It has been extremely popular as more than 750,000 iPhone users have already used it to unlocked their iPhone.
Dev Team have just released an updated version of Ultrasn0w – Ultrasn0w 1.1-1 to improve standby battery life.
This makes it the world’s first free software solution to unlock iPhone 4. iPhone Dev team had already released Ultrasn0w 0.93 to unlock all basebands since iPhone OS 3.0 including baseband 05.13.04 that comes bundled with iOS 4 for iPhone 3GS and iPhone 3G users.
We have some good news. MuscleNerd and Planetbeing from the iPhone Dev Team announced yesterday that they will be releasing Ultrasn0w to unlock iPhone 4 in 48 hours after they have conducted a private beta.
iPhone Dev Team Releases UltraSn0w 0.93 To Unlock iOS 4 Baseband 05.13.04, Also Unlocks All Basebands Since iPhone OS 3.0
iPhone Dev Team announced just a few minutes back that they were working hard to release tools to jailbreak and unlock iOS 4 and had warned users who relied on software method to unlock iPhone to avoid upgrading to iOS 4 until they have tested their tools with all relevant devices.
They believe that the new version "pretty much all of the various random issues that have been reported".
In the meanwhile, Geohot, the member of the iPhone Dev Team who had released his own software called purplera1n to jailbreak iPhone 3GS running iPhone OS 3.0 and couple of days back had released purlesn0w to unlock iPhone 3GS has also released purlesn0w RC2 which fixes many issues.
Today they have released an updated version of redSn0w (version: 0.8) which can also jailbreak iPhone 3GS.
Dev Team has also released an updated version of UltraSn0w (version: 0.8) which can unlock Apple's third generation iPhone.
So with this, the Dev team has released updated version of their tools which support all iPhones and iPod Touches running iPhone OS 3.0.
Step-by-Step Guide to Unlock iPhone 3G/iPhone 3GS running on iPhone OS 3.0/iPhone OS 3.0.1 using UltraSn0w
As you might already know, the iPhone Dev Team had released their much awaited software method called Ultrasn0w that can unlock iPhone 3G running iPhone OS 3.0 almost a week back.
Since the release of UltraSn0w, our readers have been asking us for a guide to unlock iPhone 3G or iPhone 3GS.
So here is our step-by-step guide to unlock iPhone 3G or iPhone 3GS using UltraSn0w so that you can use a SIM from any GSM carrier.