Download iOS 10.3 (14E277) for iPhone 6

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 iPhone7,2
iOS Version 10.3
Release Date 2017-03-27
Update Date 2017-03-20
Sha1sum
cac1164cfe38002fee8e0a160bce011d25953b83
Sha256sum
80fda0c3827c227d536a1ccaed652a80ca068e01e034c9c80b59b95cc2680829
md5sum
97225f0d018380276cef8587f3f38cb1
Size 2.41 GB
FileName
iPhone_4.7_10.3_14E277_Restore.ipsw
Status

Download IPSW (2.41GB) Check device info
Release Notes

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

iOS 10.3 introduces new features including the ability to locate AirPods using Find my iPhone and more ways to use Siri with payment, ride booking and automaker apps.

Find My iPhone

Siri

CarPlay

Other improvements and fixes

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

https://support.apple.com/HT201222