Download iOS 14.5.1 (18E212) 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 14.5.1
Release Date 2021-05-03
Update Date 2021-04-27
Sha1sum
2ba4e178df0c67970a4492ef518da5297a947763
Sha256sum
3d35f2f80a621ce4b63acf25ca9bca1918236057ab96a6a74b6d6e4b6f906a7d
md5sum
b3902f445e110c9aa75bb3bc7f80a560
Size 5.33 GB
FileName
iPhone13,4_14.5.1_18E212_Restore.ipsw
Status

Download IPSW (5.33GB) Check device info
Release Notes

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

This update fixes an issue with App Tracking Transparency where some users who previously disabled Allow Apps to Request to Track in Settings may not receive prompts from apps after re-enabling it. This update also 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