iPad Air 4 (WiFi) iPad13,1

IPSW Unsigned 23F77

iPadOS 26.5

iPadOS

Version

26.5

Build ID

23F77

File Size

9.15 GB

Release Date

2026-05-11

Last Updated

2026-05-07

Download IPSW

Beta firmware? Download Here →

About This Firmware

iPadOS 26.5 (build 23F77) is an official Apple IPSW for the iPad Air 4 (WiFi), released on 2026-05-11. 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_Fall_2020_26.5_23F77_Restore.ipsw

Checksums

SHA-256 79476c94efb1f76a4fec6a8d1f615c16932e62065799617dc3d9ac7bcb718fc4

SHA-1 694d79a5859dcc87578c0f395f94e002b65f8e52

MD5 18d95737799092b0c366338d1a5aff2b

Direct URL

https://updates.cdn-apple.com/2026SpringFCS/fullrestores/122-64199/DF876EF5-2A25-44BB-898A-EA0EED26E4F0/iPad_Fall_2020_26.5_23F77_Restore.ipsw

Other Devices

iPad (Cellular, 10th generation)

iPad13,19

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

iPad8,4

iPad 3 (WiFi)

iPad3,1

iPad Pro (11-inch, WiFi) (3rd generation)

iPad13,4

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPad Air 4 (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 4 (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