worst service i ever received in ny life

After 4weejs still my blackberry z10 is still blacklisted!!!!.did everything vodacom asked me to do.every day just a new exuse.then their offline then they are not sure then i must leave the phone with them then keep it off for 24hours then keep it iff again and again and again!!!!.then they say on the system its been unblocked BUT MY PHONE IS STILL BLOCKED....been going on like this for weeks.being send from one branch to another being transfered from one cinsultant to another with abselutely no assistance and still my phone isnt WORKING.HOW PATHETIC CAN IT BE AND HOW LONG DO VODACOM ECPECT ME TO WAIT!!!!!!after a hello peter complain and several other complaints still no luck and still no working phone!!NEVER IN MY LIFE RECEIVED SUCH BAD SERVICE FROM ANY OTHER COMPANY.