iPadOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-10-02T17:11:41Z. The update package is 368.61 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: c642880c57982dac4aae46aa16720388a5ecd3a7.zip.