iOS 9.9.16.6 (build 20G75) is an official Apple over-the-air update for the iPhone XS, released on 2023-07-24T17:29:52Z. The update package is 4.86 GB. This is a delta (partial) update that requires 12.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b20019be874747519c446500cc1c0b5691b30fc7.zip.