iOS 9.9.11.4 (build 15F5037c) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-04-02T17:06:51Z. 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: 4ab6e0976f41b2ed630faaa30ce983fecde371e6.zip.