we need to understand, at the backend- every service provider BACK BONE is connected to PTCL-, all service providers have allocated bandwidth pipe which is shared across their own system - Google " CCIR "
The GSM companies does not have dedicated satellite links [ cost cutting measures ] to provide real time high speed uniform connectivity to users across the network. Thus complaints of non connectivity or slow speed are based on locations
The watchdog [ regulatory body PTA ] is doing nothing but doing extortion in name of fees, but zero benefit to end user.
