Download iOS 14.3 (18C66) for iPhone 12 mini

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 iPhone13,1
iOS Version 14.3
Release Date 2020-12-14
Update Date 2020-12-09
Sha1sum
3ec17e140cb792e69b277245e053ec4b2fabc780
Sha256sum
0296504051dba6017c215add31bb4061309302efd0037019fad3af0fbd0e7987
md5sum
8694cdd8b5a7cf350fe520aee6f6eda1
Size 5.12 GB
FileName
iPhone13,1_14.3_18C66_Restore.ipsw
Status

Download IPSW (5.12GB) Check device info
Release Notes

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

iOS 14.3 includes support for Apple Fitness+ and AirPods Max. This release also adds the ability to capture photos in Apple ProRAW on iPhone 12 Pro, introduces Privacy information on the App Store, and includes other features and bug fixes for your iPhone.

Apple Fitness+

AirPods Max

Photos

Privacy

TV app

App Clips

Health

Weather

Safari

This release also addresses the following issues:

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

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

IPSW File Download FAQ