iOS 9.9.15.3.1 (build 19D52) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2022-02-10T18:15:08Z. 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: 6062fc35eb8003ffe254e4a5dcc50e4a870cd61e.zip.