WORST SERVICE EVER

On 12 January 2022 I contacted Cell c direct as I was eligible for an upgrade(current contract expiring March 2022)ORDERED A NEW PHONE AND ASKED FOR 24 MONTHS NOT 36 MONTHS, THE LEAFLET SHOWED CHOOSE YOUR CONTRACT , 5gb TOP UP OR 2GB VOICE DATA, NO QUESTIONS WERE ASKED RE THIS , I AM CURRENTLY ON 2GB PINNACLE. a FEW MINUTES LATER AN SMS WAS RECEIVED TO SAY SUCCESFUL UPGRADE TO 5GB DATA TOP UP\AFTER 5 PHONE CALLS TO DIFFERNT DEPARTMENTS TO RECTIFY THIS, I CANCELLED THE UP GRADE CASE NUMBER ***, CURRENLTY I AM UNABLE TO MAKE OR RECEIVE CALLS AND 2 CALLS TODAY TO THEIR CUSTOMER CARE TELL ME THEY HAVE ESCALATED THE PROBLEM. NO COMMINICATION HAS BEEN RECEIVED FROM CELLC SINCE 12 JANUARY I HAVE HAD CONTRACTS WITH THEM FOR APPROX 20 YEARS AND WILL MOVE ALL 3 AFTER EXPIRY AT END MARCH