WARNING! This is a Jailbreak and not an unlock, updating to iOS4.1 will lose you unlock!
The Dev-Team warned who use ultrasn0w to unlock their devices, to stay awy from Redsn0w, and wait for PwnageTool to support 4.1, that is because to use redsn0w at 4.1, you need to already have updated to official 4.1 from Apple,if you do that you lose the ultrasn0w unlock, possible forever. The release redsn0w is only available for Mac, as the Windows version needs further testing.
This Redsn0w beta release supports:
- iPhone 3G and iPod touch 2G only (for now)
- Mac OS X x86 only (for now)
- 4.1 or 4.0 firmware from Apple
Step 1: Download iOS 4.1 for your version of iPhone 3G / iPod Touch 2G (download links at the end).
Step 2: Update to this latest firmware using the IPSW file you just downloaded via iTunes 10.
Step 3: Launch Redsn0w 0.9.6b1 (download links at the end) and Browse for iOS 4.1 Firmware.
Step 4: Select “Install Cydia” and click on Next.Step 5: Now make sure your device is both OFF and PLUGGED IN to the computer before you click “Next”.Step 6: At this stage you will need to put your iPhone in DFU mode by holding “Power” button and then while holding the “Power” button, you will now have to hold “Home” button too. Now after few seconds release “Power” button but keep holding “Home” button until installation begins.