Rain internet service providers are ******** customers

i am disappointed in the service that i have received from Rain service provider, i have been querying the internet speed since the beginning of May 2020 and to date i have not been assisted and also from June i was incorrectly billed an in corrected amount, i have since been sending emails but have not received any response, i only get reference number and an email that once asked if i still required assisted and that was it nothing else, i went on their twitter account and i discovered that all their clients have the same queries , 99% of all tweets from customers are bill and internet speed complains, its sad that we are paying for 4G internet and we are subjected to less that 1 Mbps.