iOS 9.9.11.3.1 (build 15E302) is an official Apple over-the-air update for the iPhone SE, released on 2018-04-24T17:11:05Z. The update package is 1.43 GB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b5cd6573053bb3589ae3f59a51921152b921c076.zip.