iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-10-30T17:06:07Z. The update package is 1.33 GB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9a98ecf45a0dd8836d7c1f56ca55230025726030.zip.