iOS 11.0 (build 15A5368a) is an official Apple over-the-air update for the iPhone SE, released on 2017-08-28T17:18:17Z. The update package is 52.63 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: 973b66a76d4b9f79ea60d43e13774d3ed9ff7ef8.zip.