WORST SERVICE EVER!!!!

I have a client that bought a SSD Hard Drive from Makro. The drive worked for a few weeks and just stopped. I checked on the manufacturers website and found that the drive is still under waranty. My client has since logged a return and replace request on 27 February 2025. After noumerous phone calls and requests from the client Makro has failed to respond and keep on saying that they will contact the client they NEVER do. I want this resolved ASAP as the client needs the Laptop and I cannot finish with it until I have the replacement unit.