Asalam alekum janab main ne apna ptcl ka wifi router configer karwaya hai larkay se larkay ne router toh config kar diya hai lakin uska username aur pass us larkay ne change kar diya hai ab main router ka username aur pass kasay find karon defalt username pass lagaya hai lakin work nahi kar raha reset nahi kar sakta kyun k setting kharab hoo jay gi iska hall batayen plz.