iPad Air 2 (Cellular) iPad5,4

IPSW Unsigned 19H402

iPadOS 15.8.6

iPadOS

Version

15.8.6

Build ID

19H402

File Size

4.71 GB

Release Date

2026-01-26

Last Updated

2026-01-24

Download IPSW

Beta firmware? Download Here →

About This Firmware

iPadOS 15.8.6 (build 19H402) is an official Apple IPSW for the iPad Air 2 (Cellular), released on 2026-01-26. 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_TouchID_15.8.6_19H402_Restore.ipsw

Checksums

SHA-256 47972bf98b3d49f36d151c49de7f1b020e852466134d370746628fe8e3e90964

SHA-1 d7dbfbbe6543fc0612849c481785d8b6dcca3a5e

MD5 add1478915fb713c6a6cfda26e3c2d44

Direct URL

https://updates.cdn-apple.com/2025SpringFCS/fullrestores/047-41075/C2A03D6B-8F01-4606-A198-8FE3F39096E4/iPad_64bit_TouchID_15.8.6_19H402_Restore.ipsw

Other Devices

iPad 4 (GSM)

iPad3,5

iPad Pro 9.7-inch (WiFi)

iPad6,3

iPad Air 3 (WiFi)

iPad11,3

iPad Pro (M4, 11-inch, Cellular)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPad Air 2 (Cellular) 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 2 (Cellular) 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