iOS 9.9.11.2.5 (build 15D60) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-01-23T18:30:58Z. The update package is 1.42 GB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5736b143f0c47a174bbcde60ef549bea3fe2226b.zip.