Download iPadOS 9.3.5 (13G36) for iPad 4 (Global)

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 iPad3,6
iPadOS Version 9.3.5
Release Date 2016-08-25
Update Date 2016-08-20
Sha1sum
c77b942c2c522c82baf7a752d5f914322e2e39db
Sha256sum
57140c7a698601c928f785b4ce00d3c2e656db009bc7c805f9272c17cc4f5d8c
md5sum
0846fa74f7953691e405ac19441d8f27
Size 1.61 GB
FileName
iPad3,6_9.3.5_13G36_Restore.ipsw
Status

Download IPSW (1.61GB) Check device info
Release Notes

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

iOS 9.3.5 provides an important security update for your iPhone or iPad and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222