I’ve always said do the best you can to move away from big tech, this person saying:

If there’s a thriving secondhand market, more people can sell them and buy flagships.

If we’re down to worrying about the health of the secondhand market I think we’d be in an amazing place, but we’re not, every little bit helps and I think grabbing a second hand phone and installing graphene on it is a great idea

I’ve also heard they’re teaming up with Motorola:

https://www.theregister.com/software/2026/03/02/motorola-partners-with-grapheneos-for-future-phones/5160849