iOS 9.9.10.3.3 (build 14G5053a) is an official Apple over-the-air update for the iPhone 6s, released on 2017-06-22T17:24:58Z. The update package is 1.72 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: 263d013696ae8d1d3d28b7099d04346533a5d971.zip.