iPadOS 12.1 (build 16B5059d) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-09-18T17:20:10Z. The update package is 371.19 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: df7267e217aa27b58eb178d3f1cd2b63db7d8e4f.zip.