iOS 9.9.15.0.2 (build 19A404) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2021-10-11T17:06:38Z. The update package is 4.18 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7f8b1526baddf54e1f60a9c5173f411a566e3733.zip.