IPSW Downloads

iPadOS 8.1.1 - 12B435 for iPad Air (GSM+CDMA)

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

Release Date17 November 2014
Upload Date08 November 2014
File NameiPad4,2_8.1.1_12B435_Restore.ipsw
File Size1.93 GB
SHA256sum42372f0305c64b926fb43198fb1dbcc5615ca693939d1130ce7f708626569e38
MD5sum3829d784688601cd8188545698ba1e62
SHA1sumbe25c020b08c1ea4a5ad882749ff675dc8c8832e
IdentifieriPad4,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air (GSM+CDMA) to your PC.
  3. Open iTunes and navigate to your iPad Air (GSM+CDMA).
  4. Hold the Shift key and click "Restore".
  5. Select the iPad4,2_8.1.1_12B435_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air (GSM+CDMA) to reboot.

macOS

  1. Connect your iPad Air (GSM+CDMA) to your Mac.
  2. Navigate to your iPad Air (GSM+CDMA) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad4,2_8.1.1_12B435_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air (GSM+CDMA) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air (GSM+CDMA) 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 iPad4,2_8.1.1_12B435_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air (GSM+CDMA) to reboot.