IPSW Downloads

iPadOS 8.1.3 - 12B466 for iPad Air 2 (Cellular)

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

Release Date27 January 2015
Upload Date19 January 2015
File NameiPad5,4_8.1.3_12B466_Restore.ipsw
File Size1.95 GB
SHA256suma1cb50f73524d073b8b63a1a0bbdeb99f800b2f615c76bb3fb5149b8eb507392
MD5sumdd19cf304c196e820ded9dcc86558db0
SHA1sum9fdb75246e67882e9992a4eefa6938657365f076
IdentifieriPad5,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air 2 (Cellular) to your PC.
  3. Open iTunes and navigate to your iPad Air 2 (Cellular).
  4. Hold the Shift key and click "Restore".
  5. Select the iPad5,4_8.1.3_12B466_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.

macOS

  1. Connect your iPad Air 2 (Cellular) to your Mac.
  2. Navigate to your iPad Air 2 (Cellular) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad5,4_8.1.3_12B466_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air 2 (Cellular) 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 iPad5,4_8.1.3_12B466_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.