The day when comex released JailbreakMe to jailbreak iOS4.0/iOS 4.0.1 on iPhone 4, planetbeing promised to come up with the carrier unlock ultrasn0w for iPhone 4 iOS 4.0.1 within 48 hours. He has kept his promise, making life easier for many of iPhone 4 users on unofficial carriers!
Yes, its here! Ultrasn0w has been released to unlock iOS 4.0.1 on iPhone 4. We have already seen planetbeing’s jailbroken and unlocked iPhone 4, now anyone can unlock and jailbreak iPhone 4 with JailbreakMe. For those of you who do not know what Ultrasn0w is meant to do, you cannot use jailbroken iPhone on unofficial carrier, and ultrasn0w unlocks your idevice so that it can be used on any carrier!
Ultrasn0w 1.0-1 works for iPhone 4 baseband 1.59, iPhone 3G/3GS basebands 04.26.08, 05.11.07, 05.12.01 and 05.13.04.
To unlock your iPhone 4 jailbroken with JailbreakMe, simply search for Ultrasn0w in Cydia and install the app on your idevice. The app will do rest of the work for you! Follow our guide to jailbreak iOS4.0/4.0.1 with JailbreakMe.
Update: An updated version, Ultrasn0w 1.1-1 is available through Cydia, adds tweaks for performance and stability improvement.
[via Dev-Team Blog]
Suggested reading:
![After Jailbreaking, iPhone 4 Unlocked by Dev Team [Video]](http://www.techtickle.com/wp-content/uploads/2010/07/iphone4-jailbroken-planetbeing-e1279050607808.jpg)
Update: Watch the video of World's first unlocked iPhone 4 at the end of the post.
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[...] This post was mentioned on Twitter by Mani, Mani and Sahil Malhan, TechTickle. TechTickle said: Ultrasn0w Carrier Unlock for #iPhone 4 iOS 4.0.1 Released – http://j.mp/c4Byh0 #ultrasn0w [...]