iOS 9.9.15.5 (build 19F6077) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2022-05-16T18:24:08Z. The update package is 4.13 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: c803429735ac85ef59502cea6dff14927b309335.zip.