iOS 9.9.13.5 (build 17F75) is an official Apple over-the-air update for the iPhone SE, released on 2020-05-18T17:19:00Z. The update package is 2.72 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8561d59c36ae355b9ec0fd76049423fa6a0c7e9e.zip.