iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-10-30T17:06:10Z. The update package is 1.29 GB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a578675892bdf7a0238bb9e3a5c5d880e9aab1da.zip.