iOS 9.9.17.6 (build 21G80) is an official Apple over-the-air update for the iPhone XS, released on 2024-07-29T20:34:49Z. The update package is 5.67 GB. This is a delta (partial) update that requires 12.1.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eb612e55a8a1abc42c522bc73f5a1d7f7e9a3155.zip.