iOS 9.9.13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-02-05T18:17:27Z. The update package is 3.03 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: 99a201c118ef2ffa1c94f2c0df99699dc7aaee1e.zip.