iOS 9.9.13.7 (build 17H6035) is an official Apple over-the-air update for the iPhone 6s+, released on 2020-09-01T17:20:07Z. The update package is 2.93 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: f88c366bd17c78f364661db4ec16ababefd455c3.zip.