Appointment scheduling issues with Vital Clinic Partners Group

I've received an email from Quinn Miller at Vital Clinic Partners Group offering a partial refund, but I believe I'm entitled to a full refund given the circumstances. The smartphone was clearly defective from the start.

Dear valued customer, Thank you for bringing this matter to our attention. We at Vital Clinic Partners Group take all customer concerns seriously and are committed to ensuring your satisfaction. We have reviewed your complaint regarding our gaming console and have initiated an internal investigation (Reference: REF-0F19D4D9). One of our specialists from our Quality Assurance will be contacting you within the next 6 business days to discuss this matter further and work towards a resolution that addresses your concerns. We appreciate your patience and look forward to resolving this matter to your satisfaction. Sincerely, Patricia Smith Support Team Lead Vital Clinic Partners Group Customer Relations