iOS 8.1.2 (12B440) for iPad 4 (WiFi)

1 Choose a product
2 Choose a device
3 Choose a version
4 Download
iPad 4 (WiFi)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (1.7 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPad 4 (WiFi) in to your PC.
  3. Open Apple Devices, and navigate to your iPad 4 (WiFi).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad3,4_8.1.2_12B440_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 4 (WiFi) to reboot.

macOS

  1. Plug your iPad 4 (WiFi) in to your Mac.
  2. Navigate to your iPad 4 (WiFi) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad3,4_8.1.2_12B440_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 4 (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 4 (WiFi) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPad3,4_8.1.2_12B440_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 4 (WiFi) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad3,4_8.1.2_12B440_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: ac3820ddfb37996d54f6fd6a65104014696b6387. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad3,4_8.1.2_12B440_Restore.ipsw
  3. The output of the command should match the following checksum: ac3820ddfb37996d54f6fd6a65104014696b6387. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad3,4_8.1.2_12B440_Restore.ipsw
  3. The output of the command should match the following checksum: ac3820ddfb37996d54f6fd6a65104014696b6387. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumbd8033a7184b64ebc1f11cef464b368a219a086090f0a5d04702b5e63599be6a
MD5sumbd8033a7184b64ebc1f11cef464b368a219a086090f0a5d04702b5e63599be6a
SHA1sumac3820ddfb37996d54f6fd6a65104014696b6387
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 8.1.2

This release includes bug fixes and addresses a problem where ringtones purchased through the iTunes Store may have been removed from your device. To restore these ringtones, visit itunes.com/restore-tones from your iOS device.

For information on the security content of this update, please visit this website:   

http://support.apple.com/kb/HT1222

Bluesky Mastodon r/jailbreak Twitter