iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-11-15T18:04:23Z. The update package is 61.23 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: f54d1cd3797b6d1c969a3ee8a255c47a4e35e4fc.zip.