iOS 9.9.10.3 (build 14E277) is an official Apple over-the-air update for the iPhone 6s, released on 2017-03-27T16:58:18Z. The update package is 1.71 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: 7fe8dd6f15f681a6232c21fe06f1a9f49902bd32.zip.