Download iOS 17.2.1 (21C66) for iPhone SE (3rd generation)

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 iPhone14,6
iOS Version 17.2.1
Release Date 2023-12-19
Update Date 2023-12-16
Sha1sum
85bfa91f74e20b90925c693fec8d6af6985027e4
Sha256sum
8026a07badd1eb96ef7c6c1d3765fe431e066112ad0abf23968432f793a345b1
md5sum
b86fd4b0fe96713ccc2eab6d64283081
Size 6.98 GB
FileName
iPhone14,6_17.2.1_21C66_Restore.ipsw
Status

Download IPSW (6.98GB) 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