The Huawei P20 Pro earns a 4 out of 10 on our repairability scale (10 is the easiest to repair):

Many components are modular and can be replaced independently.

Replacing the battery is possible but at the expense of some time and effort.

Double the risk for breakage with glass front and back.

Replacing the screen requires going through at least two layers of adhesive and some disassembly.