Think twice before using the online upgrade line

I upgraded my account via the online contact centre in May 2021 I also took the Samsung watch with my upgrade. In November 2021 the wached stopped working. I took the watch to both MTN stores in Clearwater mall. Both these store refused to take my device as it was done via the online contact center. They advised me to call the call centre who will book te device in. Well the call center just refers you back to the store. Now im stuck with a 6 month old watch that is not working and MTN is not honoring the warranty of the device as they do not know what processes need to be followed. Pathetic and absolute incompetence.