Download iPadOS 18.4 (22E240) for iPad Air 4 (WiFi)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPad13,1
iPadOS Version 18.4
Release Date 2025-03-31
Update Date 2025-03-26
Sha1sum
046ed2fa0ba64188423992d64e888345218c4477
Sha256sum
e43938e0c171bd39e7151f02e1c9323cc4a8449d686870c20c2c71961aa9345d
md5sum
09eeb833f22274019f028643b050a544
Size 8.06 GB
FileName
iPad_Fall_2020_18.4_22E240_Restore.ipsw
Status

Download IPSW (8.06GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

Apple Intelligence (iPad with M1 and later)

Mail

Apple News+

Photos

This update also includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit:

https://support.apple.com/100100

IPSW File Download FAQ