iOS 9.9.13.4 (build 17E5233g) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-02-19T18:24:48Z. The update package is 3.11 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: 31fa66db74a40e5fccb8f4d3307793e832eb6fbb.zip.