IPSW Downloads

iPadOS 8.1.1 - 12B435 for iPad Air (WiFi)

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

Release Date17 November 2014
Upload Date08 November 2014
File NameiPad4,1_8.1.1_12B435_Restore.ipsw
File Size1.89 GB
SHA256sume74af367d3eff7d28f119fb73dcfdc4dfca331aa159573c1fa7940322ae66f68
MD5sum5e0ef8806439182e1cb87d45823d0af2
SHA1sum4c99586b6576ac38417c6d27327bcb47b0a6fe85
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_8.1.1_12B435_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_8.1.1_12B435_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_8.1.1_12B435_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air (WiFi) to reboot.