Download iOS 10.3.2 (14F89) 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 iPhone7,1
iOS Version 10.3.2
Release Date 2017-05-15
Update Date 2017-05-03
Sha1sum
751ec57d159f2f5574bd02b85dc270b2682a08ea
Sha256sum
940015722866801315e41b57949b9ac5cacb4d3ac278f2de2249a7d373eb17b9
md5sum
82b674817965e62c991ed5f184c16426
Size 2.66 GB
FileName
iPhone_5.5_10.3.2_14F89_Restore.ipsw
Status

Download IPSW (2.66GB) Check device info
Release Notes

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

iOS 10.3.2 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/kb/HT201222