Have you accidentally upgraded your idevice to the Apple’s latest updated version iOS 5.1.1 IPSW firmware and want to downgrade back to the older version 5.0.1 iOS? Here’s iFaith for Windows that can help you downgrading your iOS device from the latest to previous version if you have Saved SHSH blobs for that firmware which you want to go.
Apple actually released the new iOS 5.1.1 to fix some bug issues and small stability improvements for the A5 devices such as iPad 3 and iPhone 4S with Japanese Language support for Siri and fixed issues while taking HDR photos. While this iOS software update wasn’t recommended for those who rely on untethered jailbreak. If you aren’t a jailbreaker and don’t want your iPhone, iPad or iPod touch to be jailbroken then you are free to update your devices to 5.1.1 iOS version. Untethered jailbroken devices should stay away from this!
After the roll out of iOS 5.1.1 firmware, i0n1c has performed a jailbreak on his new iPad (3rd-generation) and pushed screenshots showing Cydia 1.1.6 running. Earlier the iPhone Dev Team has launched an updated version of Redsn0w jailbreaking tool to the public for 5.1.1 tethered jailbreak on non-A5 devices like iPhone 4, 3GS, iPad 1, iPod touch 3rd and 4th generation devices. If you are interested in tethered jailbreaking iOS 5.1.1 on A4 iOS devices, please follow our complete guide posted here.
Apart this, this post published for those who want’s their iOS devices to downgrade iOS 5.1.1 to 5.0.1 or iOS 5.0 firmware. To make so simply follow the below given guide on how to downgrade 5.1.1 to iOS 5.0.1 on iPhone 4, iPad 1, iPod touch using iFaith tool.
What you require before downgrading iOS:
* First you assume that you have already saved both APTicket+SHSH Blobs saved for iOS 5.0.1 or 5.0, you can downgrade your device to a custom iOS firmware and works only on iPhone 4, iPhone 3GS, iPad 1, iPod touch 4G/3G. This downgrade will not work for works with iPhone 4S and iPad 2.
* iFaith only works with Windows computer running XP/Vista or Win 7.
Here’s How You Can Downgrade iOS 5.1.1 to 5.0 iOS or 5.0.1
Step 1 : Download the latest iFaith for Windows version from here, official stock iOS 5.0.1 firmware from here.
Step 2 : Build a signed firmware file by clicking on ‘Build *signed* IPSW w/Blobs’. (If you haven’t saved before, now you can simple do it with “Dump SHSH Blobs”).
Step 3: Now “Browse for SHSH blobs file” that you’ve saved previously for your current device to downgrade back to the old iOS 5.0.1/5.0 firmware.
Step 4: Next, iFaith will ask you to select the stock firmware of which you want to create custom firmware file from. Once done, iFaith will have a new custom firmware file for you waiting on desktop with SHSH Blobs incorporated for the firmware you are downgrading to.
Step 5 : Next, enter DFU mode using iFaith and then simply use iTunes to restore to this custom firmware file. For Windows users [Shift+restore] and Mac OS X users [ALT+restore].
That’s it! If you followed the instruction perfectly, you will be now in the older iOS firmware instead being in the latest iOS 5.1.1. Downgrading will be simple if you have saved SHSH blobs of the iOS IPSW.