Download iOS 17.3.1 (21D61) for iPhone 15 Pro

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 iPhone16,1
iOS Version 17.3.1
Release Date 2024-02-08
Update Date 2024-02-05
Sha1sum
2f7ba9e61ad11214988b405c21f9ef211315d463
Sha256sum
5b4020427f1999e2712966af550bb140e6f1a6368d3ef3d4b165f52d35904231
md5sum
959f093346a32d48e7d5716462fb22c8
Size 7.57 GB
FileName
iPhone16,1_17.3.1_21D61_Restore.ipsw
Status

Download IPSW (7.57GB) Check device info
Release Notes

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

Phone

Messages

FaceTime

StandBy

Widgets

AirDrop

Keyboard

Safari and Passwords

Music

AirPlay

AirPods

Maps

Siri

Visual Look Up

Health

Privacy

Accessibility

This release also includes other features and improvements:

Some features may not be available for all regions or on all Apple devices. For more information, please visit this website:

https://www.apple.com/ios/ios-17

Some features may not be available for all regions or on all iPhone models. For information on the security content of Apple software updates, please visit this website:

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