iOS 9.9.12.3 (build 16F5156a) is an official Apple over-the-air update for the iPhone SE, released on 2019-05-10T17:09:52Z. The update package is 2.16 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: a4db1f3f6b43d13dc0f989ac324a09324bf5311d.zip.