I have had NO CELL SIGNAL IN RED ROCK, ONTARIO SINCE WED., MAY 6/26. CAN'T MAKE OR RECEIVE CALLS. CALLS COMING IN AUTOMATICALLY GO TO VOICE MAIL-CAN'T OPEN V/M , IF I TRY TO PICK UP CALL, IT IS DROPPED. I'VE TRIED MULTIPLE TIMES TO CONTACT UBLIC MOBI...