iOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2018-01-23T18:29:58Z. The update package is 451.37 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7fae02e8a07fdbb0095e6a89b7ffaff43257dc4c.zip.