Download iOS 17.1.1 (21B91) for iPhone 11 Pro Max

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 iPhone12,5
iOS Version 17.1.1
Release Date 2023-11-08
Update Date 2024-06-03
Sha1sum
abd3484ae6b5af4463cd92c891e9a8f2e7322284
Sha256sum
d70c4ff6136c01103cbc307e138cbf272755533a3e894e28dd6b0c05c9fded3c
md5sum
79fcba236e44b4860ea7137593961ffe
Size 6.95 GB
FileName
iPhone12,3,iPhone12,5_17.1.1_21B91_Restore.ipsw
Status

Download IPSW (6.95GB) 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