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Home / Devices / iPad Air (WiFi) / 12B466

About This Firmware

iPadOS 8.1.3 (build 12B466) is an official Apple IPSW for the iPad Air (WiFi), released on 2015-01-27. The download is 1.89 GB and is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

Verify the download using the checksums below.

Filename

iPad4,1_8.1.3_12B466_Restore.ipsw

Checksums

SHA-256 7ccc8671d4a3461385a1b6539410692ac449e9c8255388e4684a13f0838561b0
SHA-1 559125d2490ae84e66f2d8be172a7b767e8ebd3b
MD5 239ed6075c9af7b867857b04314e11bd

Direct URL

http://appldnld.apple.com/ios8.1.3/031-15505-20150119-CBA3FAD0-A007-11E4-B999-F9575BAA4ECA/iPad4,1_8.1.3_12B466_Restore.ipsw
Download IPSW

Other Devices

iPad Pro (12.9-inch, Cellular) (5th generation)
iPad Pro (12.9-inch, Cellular) (5th generation)
iPad13,11
 iPad 5 (Cellular)
iPad 5 (Cellular)
iPad6,12
 iPad 2 (GSM)
iPad 2 (GSM)
iPad2,2
 iPad Air 5 (Cellular)
iPad Air 5 (Cellular)
iPad13,17
 iPad Air 13-inch (M3, Cellular)
iPad Air 13-inch (M3, Cellular)
iPad15,6
 iPad mini 2 (China)
iPad mini 2 (China)
iPad4,6

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPad Air (WiFi) via USB.
  3. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
  4. Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
  5. Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
  6. Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.

3uTools

Windows
  1. Download and install 3uTools from 3u.com.
  2. Connect your iPad Air (WiFi) via USB and trust the computer on the device.
  3. Go to Flash & JB > Easy Flash.
  4. Click Import and select the downloaded .ipsw file.
  5. Choose Flash mode: Update keeps data, Restore wipes the device.
  6. Click Flash and wait for the progress bar to complete - do not disconnect.
Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

  1. Quickly press & release Volume Up
  2. Quickly press & release Volume Down
  3. Hold Side button until screen goes black
  4. Hold Side + Volume Down for 5 s
  5. Release Side, hold Volume Down 5 more s
  6. Black screen = DFU active

iPhone 7 / 7 Plus

  1. Hold Sleep/Wake + Volume Down for 8 s
  2. Release Sleep/Wake, keep holding Volume Down for 5 s
  3. Black screen = DFU active

iPhone 6s and earlier

  1. Hold Sleep/Wake + Home for 8 s
  2. Release Sleep/Wake, keep holding Home for 5 s
  3. Black screen = DFU active
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