iOS 9.9.13.3 (build 17C5053a) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-12-05T21:11:28Z. The update package is 3.07 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: bd561f3729e010491a769b681d7b1ff2d535b86a.zip.