Now it is possible to jailbreak iOS 4.3.5 on iPhone 4, iPhone 3GS, iPad 1 and iPod Touch 4G/3G using RedSn0w Jailbreak Tool. Your device’s firmware needs to be upgraded using iTunes, before you start jailbreaking iOS 4.3.5 on your i-device. After upgrading the firmware, point the RedSn0w 0.9.8.b4 to iOS 4.3.4 firmware. Below is the detailed description on how to jailbreak iOS 4.3.5 using RedSn0w 0.9.8.b4.
Important: If your device is already jailbroken, use AptBackup to back up your previous installed jailbreak apps.
Also this jailbreak exploit is a tethered jailbreak which means that every time you reboot your device, you need to connect it to your PC and click “Just Boot Tethered Right Now” on RedSn0w to boot it again into a jailbroken state. This is an essential step for booting on tethered jailbreaks. In case if you don’t do it, the phone will remain stuck at Apple Logo. Its not a bug or error of some kind.
Following are the steps to Jailbreak iOS 4.3.5 on iPhone 4 using RedSn0w:
1. Download the required:
- iOS 4.3.4 and iOS 4.3.5 IPSW files of size 650 MB+ each.
- RedSn0w 0.9.8b4
2. Update your device to iOS 4.3.5 by pressing SHIFT + UPDATE on iTunes.
3. Now launch RedSn0w and browse to the iOS 4.3.4 firmware file.
4. RedSn0w will now identify the IPSW files and process it.
5. Now Choose “Install Cydia”.
6. Your device needs to be entered into DFU mode. To put your device into DFU mode, simply follow the following steps:
a) Press and Hold the Power and Home buttons simultaneously for 10 seconds.
b) Now release the Power button but continue holding the Home button for another 10 seconds.
c) Your device is now in DFU mode.
7. RedSn0w will now jailbreak your idevice. After the process is complete, click on the “Just Boot Tethered Right Now” to turn on your device.
