Poor customer service

I bought two watches in January 2020, for me and my wife. My wife’s watch did not work and we sent it back to Garmin via Multiply shop. We got a another one , same problem. Garmin offered an upgrade but I had to pay an extra R2000, of which I declined their offer. I understand the lock down , process were limited due to the restrictions. I contacted multiply shop and they said they will follow up with Garmin. I did not get any feedback, I sent them again a message and ask for feedback. On the 18th of June they respond and as soon as they get feedback from Garmin, they will respond. I sent an email to them on the 10th of July, until now no response. I paid for the watch in January, and I still got nothing, no watch or my refund.