Purism is leading the charge with Quantum- PQC Security including the following:

Finalized NIST PQC standards

Liberty Phones with Made in USA electronics

Full control over your encryption keys

Verifiable open-source software

A secure, trusted supply chain

Learn more at Purism:
https://puri.sm/posts/rip-rsa-aes-the-immediate-need-of-quantum-resistant-cryptography/