iOS 9.9.12.3.1 (build 16F6203) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-05-24T17:04:06Z. The update package is 2.34 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: 357cd9774068955c5d738aba58366f29ab6a68ef.zip.