Download iPadOS 15.3.1 (19D52) for iPad Pro 3 (11-inch, WiFi, 1TB Model)

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 iPad8,2
iPadOS Version 15.3.1
Release Date 2022-02-10
Update Date 2024-06-03
Sha1sum
6904c32ad5951e742671206c6bf5bc9c15dd90f9
Sha256sum
3096ab91913e1780150e926dabdef4b09ef4b2e8f6241e4389b99d9b8c2b3dfe
md5sum
df47c3a2f6e1f4fbfa76a1950f70c315
Size 6.09 GB
FileName
iPad_Pro_A12X_A12Z_15.3.1_19D52_Restore.ipsw
Status

Download IPSW (6.09GB) Check device info
Release Notes

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

iPadOS 15.3.1 provides important security updates for your iPad and fixes an issue that may cause Braille displays to stop responding.

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

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