iOS 9.9.15.4 (build 19E6241) is an official Apple over-the-air update for the iPhone X (Global), released on 2022-03-14T17:13:11Z. The update package is 4.24 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: eae706c2d0700385f04f35954c6d9ee767957619.zip.