iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-09-12T19:06:51Z. The update package is 1.25 GB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 79e5104c1d7f5dcd7b385ef48073d9d5c648d403.zip.