5g router

My wifi bought 5 router unlimited wifi On 28 Feb 2025 got home plugged it in and it worked perfectly for something like 30 min we called in they fixed and so it continued only working for 30 min and we called and it happened over and over there was a gentle man at call office who helped us wonderfully but when his shift ended so did our wifi Sunday he knocked off 15:00 and 15:30 we had no wifi u till even knw he locked a call for the technicians or It guys but we still have limited wifi and from Sunday till knw now wifi she paid upfront I think over R700 and the 4th of March she have to pay again for April but we not using unlimited wifi like u guys said in the package it's more like wifi every 30 min during the day and at night no wifi just fix it please cause we taught we gona save money but it costs us Xtra when your wifi is not working we are forced to buy data for the whole family I am trying to put everything here in a really nice way but I am really very very angry please just fix it my wife's details are Michelle Goliath she bought the 5g router in Worcester