iOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPhone 6+, released on 2017-10-23T17:07:03Z. The update package is 241.91 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b3858bc02b9bb03ed137f703bf6a869fbf8a7827.zip.