Download iPadOS 9.1 (13B143) for iPad Pro 12.9-inch (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 iPad6,7
iPadOS Version 9.1
Release Date 2015-10-21
Update Date 2015-10-16
Sha1sum
f0b9aee51610b062e43d86d09608a86e2addd789
Sha256sum
d62586eca4b869d7e7df3d1332dbc8ea625cc690bc204cb25e0662f66b6c77a2
md5sum
0f07ed2e07e0f6417cc64506f9dd51e7
Size 1.94 GB
FileName
iPad6,7_9.1_13B143_Restore.ipsw
Status

Download IPSW (1.94GB) Check device info
Release Notes

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

This release includes new features, improvements and bug fixes, including:

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

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