iOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPhone SE, released on 2019-09-10T20:28:22Z. The update package is 217.25 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8b1f25f9a037e75b75c3641423b0cb8cee63f8f8.zip.