Download iPadOS 8.1.2 (12B440) for iPad 4 (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 iPad3,4
iPadOS Version 8.1.2
Release Date 2014-12-09
Update Date 2014-12-05
Sha1sum
ac3820ddfb37996d54f6fd6a65104014696b6387
Sha256sum
bd8033a7184b64ebc1f11cef464b368a219a086090f0a5d04702b5e63599be6a
md5sum
0afdd00c62644d74f3dc3d212bc512d2
Size 1.67 GB
FileName
iPad3,4_8.1.2_12B440_Restore.ipsw
Status

Download IPSW (1.67GB) 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 and addresses a problem where ringtones purchased through the iTunes Store may have been removed from your device. To restore these ringtones, visit itunes.com/restore-tones from your iOS device.

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

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