Bad service

The most worst isp by far doesn’t care for the customers always no help on WhatsApp assistance same old replies and apologies. I have had no finer since the 1 may and get told they sorry for inconvenience it’s like I have to keep contacting them to get a update where is the customer assistance. I have use to date Almost 100gb of my mobile data. I have had the same issue every month for like 4 months and looks like frogfoot and my isp are clueless