IPSW Downloads

iOS 8.1.1 - 12B436 for iPhone 6 Plus

This firmware is not signed. This means you cannot restore to it in iTunes.

Release Date17 November 2014
Upload Date11 November 2014
File NameiPhone7,1_8.1.1_12B436_Restore.ipsw
File Size2.05 GB
SHA256sum1fef614ade2843b9b10c46d5a216980b5ee2fb2c0984f4a2bf4340fdea58b588
MD5sumb7cf5dac1e373d2a52e0d4fa098f6e7a
SHA1sume306dba340188c167efd719780bcf42d129cd161
IdentifieriPhone7,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPhone 6 Plus to your PC.
  3. Open iTunes and navigate to your iPhone 6 Plus.
  4. Hold the Shift key and click "Restore".
  5. Select the iPhone7,1_8.1.1_12B436_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPhone 6 Plus to reboot.

macOS

  1. Connect your iPhone 6 Plus to your Mac.
  2. Navigate to your iPhone 6 Plus in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPhone7,1_8.1.1_12B436_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPhone 6 Plus to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPhone 6 Plus to your PC.
  3. Open a terminal and navigate to the IPSW file you downloaded, e.g., cd ~/Downloads.
  4. To perform a full erase restore, type idevicerestore -e iPhone7,1_8.1.1_12B436_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPhone 6 Plus to reboot.