iOS 9.9.10.3 (build 14E5273a) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-03-13T17:02:10Z. 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: 1535da33d81a0303ac2f9e7bc6173e7dddd03ca4.zip.