iOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-01-23T18:31:02Z. The update package is 1.25 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4141eb04bca54822711e0994ec37b9d3bfe26985.zip.