iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2017-11-16T21:20:06Z. The update package is 308.15 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d790793b1b24fcba8164a864f306d516ab68d9bb.zip.