iOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-11-09T18:09:49Z. The update package is 1.38 GB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c16067adfcbc7c601984f0f7c3743ecf48d30b3d.zip.