According to the recent report by iPhone Dev Team, U.S. have the highest number of Ultasn0w 1.0-1 users to unlock iPhone 4or iPhone 3G/3GS. China remains at the second position in unlocking iPhones with latest Ultrasn0w version. Ultrasn0w-1.0-1 unlocked around 8 lakh iPhones since 4 August 2010 from 218 unique ISO regions.Here is the list which shows top 20 countries with the number of jailbreakon iPhones. This number is increasing every minute.

Ultrasn0w 1.0-1 Unlock for iOS 4.0.1 was released by Planetbeing from iPhone Dev Team in starting August. It unlocks iPhone 4, iPhone 3GS and iPhone 3G running on iOS 4.0.1. Ultrasn0w 1.0-1Unlock tool unlocks iPhone 4 baseband 01.59.00 and basebands 04.26.08, .05.11.07, 05.12.01, and 05.13.04 for iPhone 3G and 3GS on iPhone 3GS. Before unlocking the iPhone must be Jailbroken using JailbreakMe which was released by Comex.
JailbreakMe is a web based jailbreaking tool iPhone 4, iPhone 3GS, 3G on iOS 4 / 4.0.1, iPod Touch on iOS 4, and iPad on iOS 3.2.1. You just need a internet connection and Mobile Safari browser. You will need an original supported SIM card to activate your phone with iTunes as jailbreak tool does not hacktivate your device.
You might also like to check out:
- Guide for Ultrasn0w 1.0-1 unlocking tool to unlock iOS 4.0.1 on iPhone 4, iPhone 3G/3GS
- Ultrasn0w 1.0-1 Unlock for iOS 4.0.1 on iPhone 4, iPhone 3GS and iPhone 3G Released by Dev Team
- Guide for how to Jailbreak 4, iPhone 3GS, 3G on iOS 4 / 4.0.1, iPod Touch on iOS 4, and iPad on iOS 3.2.1using JailbreakMe 2.0
Related posts:
- Ultrasn0w 1.0-1 Unlock for iOS 4.0.1 on iPhone 4, iPhone 3GS and iPhone 3G Released by Dev Team!
- Ultrasn0w 1.0-1 Unlock for iPhone 4, iPhone 3G, iPhone 3GS on iOS 4.0.1/4.0 Releasing very soon!
- iOS 4.0.2 Releasing Soon in Fix of the PDF Exploit with JailbreakMe, buy your iPhone 4 now to remain Jailbreaked and Unlocked!
- Guide for Ultrasn0w 1.0-1 unlocking tool to unlock iOS 4.0.1 on iPhone 4, iPhone 3G/3GS
- Ultrasn0w Unlock for iPhone 4 on iOS 4.0.1 to be Released in couple of Hours!