iOS 9.9.15.0.1 (build 19A6348) is an official Apple over-the-air update for the iPhone X (GSM), released on 2021-10-01T17:07:52Z. The update package is 4.35 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: b44b57d5ff5072fed3283ec96a6287a856f3cf54.zip.