iOS 9.9.15.7.7 (build 19H357) is an official Apple over-the-air update for the iPhone 6s, released on 2023-06-21T17:24:37Z. The update package is 3.81 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: faf44b124734c116a5157336bd7df4f0a9c330f2.zip.