iOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2017-04-03T17:00:17Z. The update package is 1.19 GB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c19e9ecec160444605d0f9896d1b88a49cf47b3e.zip.