Download iPadOS 15.1 (19B74) for iPad Air 2 (WiFi)

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

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPad5,3
iPadOS Version 15.1
Release Date 2021-10-25
Update Date 2024-06-03
Sha1sum
e72e5e0823be8fe5f3f619f582d875f5546a11b8
Sha256sum
f05ca409b00f25b115202dcade69552ae930b15a0fe661e94b459aeb5a129bd0
md5sum
440ff9c9811595e55b42fecd80e7809e
Size 4.80 GB
FileName
iPad_64bit_TouchID_15.1_19B74_Restore.ipsw
Status

Download IPSW (4.80GB) Check device info
Release Notes

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

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This release also fixes the following issues:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222