IPSW Downloads

iPadOS 8.1 - 12B410 for iPad Air (WiFi)

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

Release Date20 October 2014
Upload Date13 October 2014
File NameiPad4,1_8.1_12B410_Restore.ipsw
File Size2.03 GB
SHA256sumf8446af2fb8d10bc1bece642caa41c1fc927a1bf90c538058f65f60d029f7109
MD5sum8e013c59ca10347ce28797e18e5a1dec
SHA1sum1a8491783954a6d78a69d8cf95a04a6793dead87
IdentifieriPad4,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air (WiFi) to your PC.
  3. Open iTunes and navigate to your iPad Air (WiFi).
  4. Hold the Shift key and click "Restore".
  5. Select the iPad4,1_8.1_12B410_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air (WiFi) to reboot.

macOS

  1. Connect your iPad Air (WiFi) to your Mac.
  2. Navigate to your iPad Air (WiFi) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad4,1_8.1_12B410_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air (WiFi) 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 iPad4,1_8.1_12B410_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air (WiFi) to reboot.