Download iOS 10.3.1 (14E304) 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 10.3.1
Release Date 2017-04-03
Update Date 2024-06-03
Sha1sum
5bac99bb83a6528d9ecd81738f6cf32ae6a26cec
Sha256sum
8ceee1393e0a66a7323e171ffbfcf995137e9594135d7d25bb440d7a51a0808f
md5sum
b3d6c36fe86be46b20eaa70e6d40825a
Size 2.56 GB
FileName
iPhone_7Plus_10.3.1_14E304_Restore.ipsw
Status

Download IPSW (2.56GB) Check device info
Release Notes

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

iOS 10.3.1 includes bug fixes and improves the security of your iPhone or iPad.

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

https://support.apple.com/HT201222