iPadOS 11.2.1 (build 15C153) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-12-13T18:04:54Z. The update package is 498.39 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fdff6ce3b6714d475caef3217ae469bf98f546a1.zip.