iOS 9.9.15.3 (build 19D50) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2022-01-26T18:14:50Z. The update package is 4.14 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: c232eb4d58646bdbeb466bced8bca4a4a067f853.zip.