iOS 9.9.10.3 (build 14E277) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-03-27T16:58:19Z. The update package is 1.88 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: 8a2074407469d90bf7d7ea7c073c4999649d274a.zip.