iOS 9.9.18.4 (build 22E240) is an official Apple over-the-air update for the iPhone XS, released on 2025-03-31T17:30:50Z. The update package is 6.42 GB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 721a881321b10306051abb1c4831c00c6ba20f70.zip.