iOS 9.9.10.3 (build 14E5273a) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2017-03-13T17:01:27Z. The update package is 1.36 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: 0d3507367b5d7aed14122dc6a6992b1d7b86f58a.zip.