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Home / Devices / iPad Air 4 (WiFi) / 18E199

About This Firmware

iPadOS 14.5 (build 18E199) is an official Apple IPSW for the iPad Air 4 (WiFi), released on 2021-04-26. The download is 4.70 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

iPad_Fall_2020_14.5_18E199_Restore.ipsw

Checksums

SHA-256 0042dc2a2dda44932cb72aac650b56a11995e7afff40a28fabfcbaac8c4b557d
SHA-1 1fb71ae7543097d290dfa77b31ef3ead489c6fb2
MD5 c04aee9529326df9e49c5b50d8b8032a

Direct URL

https://updates.cdn-apple.com/2021SpringFCS/fullrestores/071-17713/281B0BAF-0966-4406-BF9B-FE0B64ED8769/iPad_Fall_2020_14.5_18E199_Restore.ipsw
Download IPSW

Other Devices

iPad Pro (12.9-inch, Cellular) (6th generation)
iPad Pro (12.9-inch, Cellular) (6th generation)
iPad14,6
 iPad Air 2 (Cellular)
iPad Air 2 (Cellular)
iPad5,4
 iPad mini 5 (Cellular)
iPad mini 5 (Cellular)
iPad11,2
 iPad mini 2 (Cellular)
iPad mini 2 (Cellular)
iPad4,5
 iPad Pro 3 (11-inch, Cellular)
iPad Pro 3 (11-inch, Cellular)
iPad8,3
 iPad Pro 11-inch (M5, Cellular)
iPad Pro 11-inch (M5, Cellular)
iPad17,2

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPad Air 4 (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 4 (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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