iOS 9.9.16.7.3 (build 20H232) is an official Apple over-the-air update for the iPhone X (GSM), released on 2023-12-11T18:16:56Z. The update package is 4.5 GB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dd9ea2a0d19b70d8a1bf6e426921321c6d797645.zip.