iOS 9.9.15.7 (build 19H12) is an official Apple over-the-air update for the iPhone 6s, released on 2022-09-12T17:18:14Z. The update package is 3.82 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: 2ec96fa8ff83f0fd474536cda7bbb64030325379.zip.