Download iOS 12.5.2 (16H30) for iPhone 6+

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 iPhone7,1
iOS Version 12.5.2
Release Date 2021-03-26
Update Date 2021-03-23
Sha1sum
83a9e8738c31a8da5076f7394ed2b1410bac4647
Sha256sum
592c8c11a61f52d39ce1d3c79fe4e52b19e4b47952935ae71a94a693f5bd5406
md5sum
c6390e6bf5631f102d67fe8d73c18b31
Size 2.97 GB
FileName
iPhone_5.5_12.5.2_16H30_Restore.ipsw
Status

Download IPSW (2.97GB) 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