iOS 9.9.12.2 (build 16E227) is an official Apple over-the-air update for the iPhone SE, released on 2019-03-25T19:09:05Z. The update package is 2.13 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: aef626daa8f86a78694b4e4fe016d5699a9fec3c.zip.