iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2017-11-16T21:21:05Z. The update package is 40.14 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: 1c73ea4ec04d9f97ac43d0da5268dd0afb3179d0.zip.