iPad Air (WiFi) iPad4,1

IPSW Unsigned 16H50

iPadOS 12.5.4

iPadOS

Version

12.5.4

Build ID

16H50

File Size

2.76 GB

Release Date

2021-06-14

Last Updated

2021-06-09

Download IPSW

Beta firmware? Download Here →

About This Firmware

iPadOS 12.5.4 (build 16H50) is an official Apple IPSW for the iPad Air (WiFi), released on 2021-06-14. The file 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 SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

iPad_64bit_12.5.4_16H50_Restore.ipsw

Checksums

SHA-256 5a365f137076645553450ef71d3a120e442906715f5e7f16033d25a93f08a89f

SHA-1 74e67297b43e1a2052ebfb6aeddc1009e765eb4b

MD5 5a99d2600c8a9c02a9063bca3f8a0ea0

Direct URL

https://updates.cdn-apple.com/2021WinterFCS/fullrestores/071-54123/288AF52D-BBBD-491F-A1E0-DBCCD8D8EB51/iPad_64bit_12.5.4_16H50_Restore.ipsw

Other Devices

iPad Pro 3 (11-inch, WiFi, 1TB Model)

iPad Pro 9.7-inch (WiFi)

iPad6,3

iPad 3 (GSM)

iPad3,3

iPad Pro 4 (12.9-inch, Cellular)

iPad8,12

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

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

Restoring will erase all data on the device. Back up first.

3uTools

Windows

Download and install 3uTools from 3u.com.
Connect your iPad Air (WiFi) via USB and trust the computer on the device.
Go to Flash & JB → Easy Flash.
Click Import and select the downloaded .ipsw file.
Choose Flash mode: Update keeps data, Restore wipes the device.
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

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

iPhone 7 / 7 Plus

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

iPhone 6s and earlier

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