Download iOS 17.2.1 (21C66) for iPhone XR

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 iPhone11,8
iOS Version 17.2.1
Release Date 2023-12-19
Update Date 2024-06-03
Sha1sum
1fcf5997774e44da4371552792b7beff5136582b
Sha256sum
4b375b50c57c48453bce38233598677346f9746382838f36d9662280b9482e2c
md5sum
1db9467d8d2b4dd097c11e8db4ad26dc
Size 6.92 GB
FileName
iPhone11,8_17.2.1_21C66_Restore.ipsw
Status

Download IPSW (6.92GB) 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