How to Downgrade iOS 10.2 to iOS 10.1.1 to Prepare for iOS 10.1.1 Jailbreak

With the news of a possible upcoming jailbreak for iOS 10.1.1, the race is on for those who have already upgraded past it to downgrade before Apple closes the signing window on them and leaves them high and dry. This guide will walk you through how to return to iOS 10.1.1 from iOS 10.2 (or any other version you may be on, like iOS 9.3.3 or iOS 10.1) so that you will be safe and sound when the window closes, and can wait and see if this jailbreak hype comes true.

Important points

  • You will be able to downgrade back only to iOS 10.1.1, which is the latest version. You cannot downgrade to the previous versions as Apple has stopped signing the older iOS firmware files.
  • You will be able to downgrade to iOS 10.1.1 only till Apple is signing the iOS 10.1.1 firmware file.
  • It is important to take a backup of your iOS device to iCloud or using iTunes so you can restore from the backup if something goes wrong.
  • Please note that the process involves wiping your device, and then restoring it from a backup, so it can take some time depending on how much data needs to be recovered and your internet connection (if you’re restoring from an iCloud backup).

Check real-time signing status

To find out if Apple is still signing the firmware file, check this website. Green rows with a tick mean that Apple is still signing the firmware file, and you can downgrade from iOS 10.2 to iOS 10.1.1.

How to Downgrade from iOS 10.2 to iOS 10.1.1

Download the iOS 10.1.1 firmware file for your device. The iOS 10.1.1 firmware file for iPhone 6s Plus is iPhone_5.5_10.1.1_14B150_Restore.ipsw. Accordingly, download the appropriate firmware file from one of these direct links:

iPhone: 

iOS 10.1.1 (iPhone 5 GSM): iPhone_4.0_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 5 GSM+CDMA): iPhone_4.0_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 5s GSM): iPhone_4.0_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 5s GSM+CDMA): iPhone_4.0_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 5c GSM): iPhone_4.0_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 5c GSM+CDMA): iPhone_4.0_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 6 Plus): iPhone_5.5_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 6): iPhone_4.7_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 6s): iPhone_4.7_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 6s Plus): iPhone_5.5_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone SE): iPhoneSE_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 7): iPhone_7_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPhone 7 Plus): iPhone_7Plus_10.1.1_14B150_Restore.ipsw 


iPad: 

iOS 10.1.1 (iPad 4 Wi-Fi): iPad_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad 4 GSM): iPad_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad 4 GSM_CDMA): iPad_32bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Air Wi-Fi): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Air Cellular): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 2 Wi-Fi): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 2 Cellular): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Air China): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 2 China): iPad_64bit_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 3 Wi-Fi): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 3 Cellular): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 3 China): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Air 2 Wi-Fi): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Air 2 Cellular): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 4 Wi-Fi): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Mini 4 Cellular): iPad_64bit_TouchID_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Pro Wi-Fi): iPadPro_12.9_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Pro Cellular): iPadPro_12.9_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Pro 9.7 Wi-Fi): iPadPro_9.7_10.1.1_14B150_Restore.ipsw
iOS 10.1.1 (iPad Pro 9.7 Cellular): iPadPro_9.7_10.1.1_14B150_Restore.ipsw 


iPod Touch: 

iOS 10.1.1 (iPod touch 6G): iPodtouch_10.1.1_14B150_Restore.ipsw 

Make sure to do this section right at the beginning, as downloading the IPSW may take a while and time is of the essence. Luca Todesco has confirmed that it does not matter whether you select iteration (14B100) or (14B150), as the exploits used work on both, but I selected (14B150) as it is the newer and may contain other fixes which would be good to have.



STEP 1: Connect your device to your computer and open iTunes.

STEP 2:  Power off your device.

STEP 3:  Hold down your device’s Power and Home buttons at the same time for 10 seconds, and then release the Power button but keep holding down the Home button for 10 more seconds. If on an iPhone 7, do the same but replace “Home Button” with “Volume Down” button.

STEP 4: iTunes should now report that it has “detected an iPhone in recovery mode. You must restore this iPhone before it can be used with iTunes.”

 STEP 5: Now locate the “Restore” button in iTunes, and ⌥ – click it. (That is, hold down the “alt” key on your keyboard, and then click the “Restore button”. Instead of restoring to iOS 10.2 via a download, it should open a file selector window.


STEP 6: Browse to the iOS 10.1.1 IPSW you downloaded, and select it.

STEP 7: Confirm that you wish to restore to iOS 10.1.1. Make sure the dialogue box specifies iOS 10.1.1 and not iOS 10.2.

That's it now wait until iTunes is restoring your iOS device back to iOS 10.1.1, it may take some time..

All that now remains is to wait and see if this jailbreak rumour crystallises into a release, and to avoid accidentally updating again to iOS 10.2 in the meantime. Remember, if you do want to take advantage of this opportunity, do it sooner rather than later, because once Apple stops signing iOS 10.1.1 you will be out of luck. 
 

 

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