iOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-08-27T17:29:08Z. The update package is 419.68 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fc3fbea8e6243fbdd5c66bd7157a98ce199ec915.zip.