Download iOS 15.4.1 (19E258) for iPhone 7 Plus (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 iPhone9,4
iOS Version 15.4.1
Release Date 2022-03-31
Update Date 2022-03-28
Sha1sum
22ff9cf52f8aee3c8d3668f2946ff8c46d4e3f9b
Sha256sum
d2c45897912dd8749be80600765f75b0e74fa3af46af5957266162f66f4cddb7
md5sum
4c1ca7681628ddb7b7049dd467d52e02
Size 5.39 GB
FileName
iPhone_5.5_P3_15.4.1_19E258_Restore.ipsw
Status

Download IPSW (5.39GB) Check device info
Release Notes

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

This update includes the following bug fixes for your iPhone:

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

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