iOS 9.9.11.1 (build 15B92) is an official Apple over-the-air update for the iPhone SE, released on 2017-10-20T17:05:43Z. The update package is 1.78 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: 21c9231e9a7ec4f79f4b494bc9326ac1317aaacb.zip.