iOS 11.0.1 (build 15A402) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-09-26T17:07:33Z. The update package is 1.02 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4583fd3e51ab30cf4c6f09718c17cc2e62371708.zip.