iOS 9.9.10.0 (build 14A5297c) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-07-05T16:44:57Z. The update package is 1.59 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: fb79c5bf1d12c89af53fc0dfb20c4362dd45ca26.zip.