Download iOS 15.3 (19D50) 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 15.3
Release Date 2022-01-26
Update Date 2024-06-03
Sha1sum
f939d769b5a0cd8d89fceafbc33aeae17cb2ff5d
Sha256sum
d0a7964e074bf70eb83310af8d2dd8fcd42c57c8cfe7bab47a42e71bd3cd83c1
md5sum
1aa8c6172dd45d98e76027106fdb6b2e
Size 5.56 GB
FileName
iPhone_5.5_P3_15.3_19D50_Restore.ipsw
Status

Download IPSW (5.56GB) Check device info
Release Notes

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

iOS 15.3 includes bug fixes and security updates for your iPhone 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