iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2017-11-16T21:20:12Z. The update package is 58.21 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 04f3a91fa1829b7ff165c5e3644c6d6bd6b149a4.zip.