Double bill charged

Rain is robbing me this days meaning I must always report to Hello Peter to get help they charge me more I've never skip my payment after that incident on September now I've been trying to change my payment date you couldn't help me now I want to pay coz my internet is closed funny enough you expect me to pay double R638 of which I must pay R319 for what PLEASE CANCEL YOUR SIM I CAN'T COMPLAIN ABOUT RAIN ALWAYS BAD SERVICE EVER 😔😭 YOU WITH REQUEST CALL NO ONE WILL COMEBACK TO You WHEN YOU CALL THEM THEY DON'T ANSWER CALLS THEY ENJOY ROBBING US 😡🤬