MTN LTE Uncapped Dropping Signal

Afternoon MTN Cancelled my Telkom LTE & took out MTN Uncapped LTE last week of Nov 2021 at MTN Store Bluff Towers, Durban. Plugged in ZTE Router Supp**** (setup in Store before) & all working 100% however Router Drops LTE Download Signal about 5-6 times a day. I then cant access internet & have to Reboot ZTE Router

I've contact Coverage Dept & Tech Support to try assist however they are unable to advise why this is happening with no solution. I then tried calling MTN Bluff Towers on *** for many days now & phone just rings. Two days ago i managed to get hold of someone at store who answered eventually. They told me they have another customer with same problem. They told me they will get someone to call me back. This is two days ago & no calls. I tried calling again & no answer again... JUST RINGS.

I am disappointed with MTN to think i would leave Telkom & joint another network would be right option. Pls can someone Urgently call me to resolve this problem as i am also working from home & the system going down many times a day is problematic

If MTN do not know how to fix, then i would like MTN to cancel this Contract & i will return ZTE Router to MTN branch & move to alternative Network

Thanks George Stroh