Download iPadOS 8.0 (12A365) for iPad Air (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 iPad4,1
iPadOS Version 8.0
Release Date 2014-09-17
Update Date 2014-09-09
Sha1sum
616e8f31facf6db121620b2aed3461ea017a2d23
Sha256sum
343c2c3e1ab5bdcc261fd0c08493325a5ab50efef800db83af0197196f62db0a
md5sum
17b038b4909cbaa7b158a2e9a020aa4a
Size 2.00 GB
FileName
iPad4,1_8.0_12A365_Restore.ipsw
Status

Download IPSW (2.00GB) Check device info
Release Notes

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

This update contains hundreds of new features, including the following:

Some features may not be available for all countries or all areas.

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222