iOS 9.9.11.3.1 (build 15E6302) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-04-24T17:04:16Z. The update package is 2.05 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: 267b5dcf9f6a0077512bf2ec0a1cfbfec808d296.zip.