iOS 9.9.10.3.3 (build 14G5037b) is an official Apple over-the-air update for the iPhone 6+, released on 2017-05-30T17:28:25Z. 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: 394a1c70c1df4f954fce01db33129f533a999051.zip.