iOS 9.9.11.3 (build 15E216) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-03-29T17:11:36Z. The update package is 1.64 GB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: be46fdf0d205b78d1dc5b17d2331a2dc4c6c41c6.zip.