iPadOS 12.1 (build 16B5077c) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-10-09T17:05:28Z. The update package is 270.13 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 882ee8d301251a54f83b201f73e849042d7c5ae8.zip.