iOS 9.9.15.8.3 (build 19H386) is an official Apple over-the-air update for the iPhone 6s, released on 2024-07-29T20:35:31Z. 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: 7da7b21d1d70157f49ac486dc6ec1e59261cbe94.zip.