iOS 11.0 (build 15A5304j) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-06-26T16:53:19Z. The update package is 28.02 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: 747a20b29d4bc1e73f7516acb1612796688969d3.zip.