iOS 9.9.16.7.4 (build 20H240) is an official Apple over-the-air update for the iPhone X (GSM), released on 2023-12-19T18:58:04Z. The update package is 4.5 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: a5dab736ad45ebd298fc536b1410723f3e6fa582.zip.