Download iPadOS 9.3.5 (13G36) for iPad 3 (GSM)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier iPad3,3
iPadOS Version 9.3.5
Release Date 2016-08-25
Update Date 2016-08-20
Sha1sum
a4ea8b12f160e4b53ab7944f3e62b04cb8209117
Sha256sum
e3a902856236f8a29deb1980aa067ea153bac3a2725754668d45e60ee978012a
md5sum
6c9f5faf4bf214c53ac7719f726d2023
Size 1.59 GB
FileName
iPad3,3_9.3.5_13G36_Restore.ipsw
Status

Download IPSW (1.59GB) 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