Many peoples facing problems while updationg iOs 4.2.1 with iPhone,for thoes people here given some simplest instructions and steps which you have to follow and you will get solutions for that just follow our instruction.the jailbreak for the iOS 4.2.1 firmware was made available through redsn0w 0.9.6 beta 4. Now the Ultrasn0w 1.2 have been released to unlock iOS 4.2.1 firmware on iPhone 3G / 3GS.
Ultrasn0w 1.2 is now available for Download, it can unlock ios 4.2.1/4.1 on iphone 3GS and iphone 3G, Ultrasnow 1.2 actually unlocks baseband 06.15 and those users who are stuck at baseband 05.15 and 05.15 will have to update the baseband to 06.15 first to unlock the device. before proceeding your must read the following summary if you don’t want to get in trouble. It is still advised to go through the whole details posted by iPhone Dev Team.
Following are the steps given below to unlock iOS 4.2.1 firmware on iPhone 3G or 3GS:
- Launch Cydia.
- Choose the ” Manage ” tab at the bottom.
- Choose the ” Sources ” option.
- Tap the ” Edit ” button and then on the ” Add ” button.
- Then add the source ” http://repo666.ultrasn0w.com “.
- After the source is added, search for ” ultrasn0w 1.2 ” in Cydia.
- Install the Ultrasn0w 1.2 app to unlock iOS 4.2.1 firmware.
- Restart your iPhone
You would first have to update to 06.15 baseband using PwnageTool 4.1.3 or Redsn0w 0.9.6 b5After all follow the instruction you unlock the iPhone 3g/3gs on iOS 4.2.1,After following instruction also facing problems with unlocking then don’t worry we will back with your solution keep connect with us.
hej, i inatLal ultrasn0w on my idevice, restar stacks and apple icon shows. what to do?