iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2017-11-16T21:20:07Z. The update package is 48.39 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 32e233d31754009e414342023344477b4217747b.zip.