Yes. They've parterned with an OEM. In fact, they are making an official GOS phone with that OEM.
Here's the discussion forum post going over it: https://discuss.grapheneos.org/d/27068-grapheneos-security-p...
afaict it's more like "making sure <OEM>'s next flagship supports graphene"
Here's the discussion forum post going over it: https://discuss.grapheneos.org/d/27068-grapheneos-security-p...