iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-02-19T21:10:47Z. The update package is 150.63 MB. This is a delta (partial) update that requires 11.2.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8bba2196d5b4841fdfde2fe2b10f786356d629ef.zip.