iOS 11.0.3 (build 15A432) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2017-10-11T17:06:43Z. The update package is 272.02 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: db6f6535798948b8c3bffb1a504671fa68ef6faf.zip.