Premium phones make little sense, based on what I've seen everyone puts them in cases anyway. "Premium materials" are slippery and "premium thinness" results in insufficient battery capacity so accessories like phone rings get put on them, and people carry around external battery packs.
Why not just make a grippy, practical phone that I can use as a tool, with removable batteries, a 3.5mm headphone jack, and expandable memory?
We know. The entire goal of their internet policy is to control exactly what their population can access, which means they have an isolated network, by any means necessary.