iPhone Dev-Team has updated UltraSn0w unlock for iPhone 4, 3GS and 3G to version 1.1-1. UltraSn0w 1.1-1 fixes the poor standby battery life for all those who unlocked iPhone 4, 3GS or 3G with earlier UltraSn0w 1.0-1 version.
If your iPhone battery drains pretty fast even on standby after unlocking with UltraSn0w 1.0-1, then you’re advised to install UltraSn0w 1.1-1 update from Cydia.
ultrasn0w upgraded to version 1.1-1 we’ve tweaked a few things that may help with standby battery life, you can upgrade via Cydia.
Here are a couple of before & after screeshots shared by Sherif Hashim:
Just like the previous release, UltraSn0w 1.1-1 can unlock iPhone 4, 3GS and 3G running any firmware up to iOS 4.0.1 with baseband 01.59.00, 05.13.04, 05.12.01, 05.11.07, and 04.26.08.
Unlocking iPhone let you use SIM from any carrier. Steps to unlock iPhone 4, iPhone 3GS and iPhone 3G remains same. Step-by-step guide to unlock all iPhones can be found here:
How to: Unlock iPhone with UltraSn0w
Also checkout:
- PDF Patch: Fix the PDF Exploit in iOS [iPhone, iPod Touch and iPad]
- Jailbreak iOS 4.0.1 with JailbreakMe
- Make FaceTime call over 3G