iOS 9.9.11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 6+, released on 2017-10-23T17:06:51Z. The update package is 1.75 GB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 33c2ba8f3be4eb6cdf99b10c6694bcdb3a743248.zip.