iOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPhone 6+, released on 2018-02-19T21:14:04Z. The update package is 1.18 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fef2c08dd3b92c78b8fc27a6f6b4b6f8cee06a49.zip.