iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Air (China), released on 2018-02-19T21:09:58Z. The update package is 1.02 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f2ac661deebc131b7f7ba9bc874414f42078ea3f.zip.