iOS 9.9.13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPhone X (GSM), released on 2020-04-15T17:15:41Z. The update package is 3.14 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: 14fd18d5ea85292a75d0c6e414d23d05f3fc9e41.zip.