Download iOS 15.7.4 (19H321) for iPhone 7 (GSM)

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 iPhone9,3
iOS Version 15.7.4
Release Date 2023-03-27
Update Date 2023-03-16
Sha1sum
9b5be5cc9525e09ed4f6c488e6a3bbaf8191c5a9
Sha256sum
f4a73d90264f5ff2a9a236d60ac8e526d8a6dc979d8008223dd5c6c412790216
md5sum
8f77414ba4f32ba14f3aa32d91546a68
Size 5.02 GB
FileName
iPhone_4.7_P3_15.7.4_19H321_Restore.ipsw
Status

Download IPSW (5.02GB) 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 fixes 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