Download iPadOS 9.3.6 (13G37) 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 9.3.6
Release Date 2019-07-22
Update Date 2019-07-01
Sha1sum
540c1348bfdb5660386e414bf4aa9fbd971aafd4
Sha256sum
841920e97927a2b85e8af6947185d6688c2d50c4d32918b21f45a1b98a1eddc7
md5sum
1c32bb1c64bb8ab9202d4195a8d297c0
Size 1.59 GB
FileName
iPad3,3_9.3.6_13G37_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 9.3.6 addresses an issue that could impact GPS location performance and could cause system date and time to be incorrect. This update 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