Download iOS 14.4 (18D52) for iPhone 12 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 iPhone13,4
iOS Version 14.4
Release Date 2021-01-26
Update Date 2021-01-17
Sha1sum
d4a94636ae53c1e764d4a01707bca4880d447c72
Sha256sum
9dbdc57b0a8a72a67835f9d6a5acc8e0fa4c2e50b0c768f6bdf11aaf94f613ff
md5sum
171ccf824b540edff3a4067913762015
Size 5.19 GB
FileName
iPhone13,4_14.4_18D52_Restore.ipsw
Status

Download IPSW (5.19GB) Check device info
Release Notes

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

iOS 14.4 includes the following improvements for your iPhone:

This release also fixes the following issues:

For information on the security content of Apple software updates, please visit this website:

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