iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 6, released on 2017-10-11T17:07:42Z. The update package is 264.8 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b6e68e944f2fec6eae3294e912f3b3b847dbef7d.zip.