Reassignment from RPO-ERICSSON-POSTOPTI to CCS-ADVANCED CS
Analysis: WT and DT found very good radio condition at complaint area. Have BKK4884 is 70m far (thus, cusomer should have full signal bar at complaint area). Suspect issue come from SIM or Phone.
To CCS: please recopmmend customer check SIM and reset Phone at Dtac store. Please feedback performance after SIM changed.