iOS 9.9.15.0.2 (build 19A6404) is an official Apple over-the-air update for the iPhone 6s+, released on 2021-10-11T17:06:06Z. The update package is 4.02 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ffc85d65c2b6854a1a067eaf3b948a7fe0cf9c09.zip.