iOS 11.2.5 (build 15D5046b) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-12-19T18:03:31Z. The update package is 87.85 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2e51b7f466ce4da1cb2bd629791c56d6d56b4807.zip.