Download iPadOS 11.2.6 (15D100) for iPad Pro 12.9-inch (Cellular)

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 iPad6,8
iPadOS Version 11.2.6
Release Date 2018-02-19
Update Date 2024-06-03
Sha1sum
5d61767a71d816fbc61feb3475535cf9fc767663
Sha256sum
929d128cacc8a9435bf61f9c111b0fc49337c3f2d992578a45c67f9f62057f52
md5sum
23a439fa945a0743cff52a68a15682cb
Size 2.40 GB
FileName
iPadPro_12.9_11.2.6_15D100_Restore.ipsw
Status

Download IPSW (2.40GB) Check device info
Release Notes

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

iOS 11.2.6 includes bug fixes for your iPhone or iPad. This update:

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222