iPadOS 12.1.2 (build 16D5024a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-12-10T18:08:54Z. The update package is 262.89 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5a16f0eba03750db17172bdf95c87c07cd188881.zip.