Download iPadOS 8.1.3 (12B466) for iPad 4 (GSM)

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 iPad3,5
iPadOS Version 8.1.3
Release Date 2015-01-27
Update Date 2024-06-03
Sha1sum
708aa6c3242892072c81ed34a3bbbc1635bb92d8
Sha256sum
9fd04b84b5ad4ec2280ab972fbef3e49ed95c8648c89de18f21e47d9b922ea60
md5sum
da8c7cda99a1242fb85c3d6056f5b45f
Size 1.71 GB
FileName
iPad3,5_8.1.3_12B466_Restore.ipsw
Status

Download IPSW (1.71GB) Check device info
Release Notes

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

This release includes bug fixes, increased stability and performance improvements, including:

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

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