iOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPhone SE, released on 2020-01-22T18:07:30Z. The update package is 185.4 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 49986e3ee4b309521369abeddbca9b7cbc9b8e74.zip.