iOS 9.9.16.7.12 (build 20H364) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2025-09-15T17:24:41Z. The update package is 4.49 GB. This is a delta (partial) update that requires 12.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0e5143fc99c1780f408104e7a86a324c7d3f1d2e.zip.