iOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-10-03T17:03:52Z. The update package is 1.47 GB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9dddad043aefa36dd4325cf8628dcb0be770be33.zip.