No after sales help

I recently upgraded to the ovhd pvr with recording playback, since i bought it on the 30 june 19 on play back it skips or does not play the recording, i have contacted ovhd on whats app since that day and im still waiting on the problem to be fixed. I HAVE been promised that someone would assist me with in 48 business hours that was more than 2 weeks ago, every time some else whats app me but never with a solution. My current bt experience is tbat u guys dont care, big hype around getting me to upgrade, now when i need assisgance, its lacking....... 30 June its the 23 Aug 19 today