IPSW Downloads

iPadOS 11.2.1 - 15C153 for iPad Air (GSM+CDMA)

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

Release Date13 December 2017
Upload Date10 December 2017
File NameiPad_64bit_11.2.1_15C153_Restore.ipsw
File Size2.34 GB
SHA256sum1a8e0a11f7052f4f7379efb976d1b2139a8bedf33d3b9a3f25fb19d430c3b551
MD5sumfed9a02455ecbba7c3702399a7d65222
SHA1sum98008b7a930d13fac33bb97a7fdb62c308c61408
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 iPad_64bit_11.2.1_15C153_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 iPad_64bit_11.2.1_15C153_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 iPad_64bit_11.2.1_15C153_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air (GSM+CDMA) to reboot.