Download iOS 10.3.1 (14E304) for iPhone SE

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 iPhone8,4
iOS Version 10.3.1
Release Date 2017-04-03
Update Date 2024-06-03
Sha1sum
dd68ef76860077c7c14f574de8812af34e6a1ee1
Sha256sum
eeba058f6c9d9fa6d421fcda9ebeb1835e1c21ba062b163fc374cc51160c255a
md5sum
30a114a82927f110410737c44bc18cbf
Size 2.34 GB
FileName
iPhone_4.0_64bit_10.3.1_14E304_Restore.ipsw
Status

Download IPSW (2.34GB) 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