unblaclisting of my handset

Bad service for customer care and VSP blacklisting department. i requested the department to unblacklist my fone and they send me forms that i should complete and i did but nothing was done and on the the 07/07/2019 i called and forwarded documents again and on the 08/07/19 they send a confirmation for unblacklisting by providing these (Your reference number is EC-1R90-2PLOXZ. and these aswell Good day

Un-blacklisted imei number:*** Kindly keep the handset off for 24hrs.

Regards Gloria)

till date the fone was not unblacklisted, i called on the 29/07/19 and i was told that the fone still blacklisted and i forwardwd all the corrospondance and it was confirmed that it was still blacklisted, i also called on the 05/08/19 and still the fone was still blacklisted and called again today the 07/08/19 and i was not helped.

tired and angry because they not taking me seriously and i am paying these contract, so disappointed.