Download iOS 14.4.2 (18D70) 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 14.4.2
Release Date 2021-03-26
Update Date 2021-03-23
Sha1sum
42667c7f3eafaeab8fad10c17e77bac33ebfeeb2
Sha256sum
54b6849cef00ed5fd8596f4624d7bae1b88c2f18d2892af355a96210622af59e
md5sum
4431c8b7aa7740b250042bb126244c46
Size 5.20 GB
FileName
iPhone13,4_14.4.2_18D70_Restore.ipsw
Status

Download IPSW (5.20GB) Check device info
Release Notes

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

This update provides important security updates and is recommended for all users.

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

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