iOS 14.8.1 (build 18H107) is an official Apple over-the-air update for the iPhone 6s+, released on 2021-10-26T17:00:00Z. The update package is 129.56 MB. This is a delta (partial) update that requires 14.8 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5fb4718a8eb43fa196968b80bd8255f727365462.zip.