iOS 9.9.11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2018-01-23T18:29:34Z. The update package is 1.35 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ac5b2971f4e1e271129dcd28845dba3712d0a863.zip.