8ta / Telkom Mobile
Signal goes to MTN-SA 24/7

I have had enough of 8ta aka telkom mobile, i keep getting this message at least 20 time a day "your internet access has been paused because your current data bundle is depleted " i have 7GB DATA??? so what is DEPLETED??? FIX THIS!!! in a year and couple of months this has never happened and now all of a sudden it just does not stop... Please fix this asap, and i use the sim in a iPhone 4S