DATA BILL AGAIN SINCE DECEMBER 2014

My issue has been going on since December 2014... the high data cahrges on my acc.<br> I must supply Vodacom paperwork so that they can look into the matter.. you have all my details on file.<br> now i am sitting with data bills of nearly R7000.00 yet what happened to the limit lock i app**** as well as the 1 from the call centre where was all my top up data bundles used? how do i use over 33gigs of data?<br> <br> why must i struggle to get answers and results from vodacom. why must i supply a letter to you?<br> you have confirmed i am the acc holder you have on record (VOICE RECORDINGS) i request the matter to be looked into and results to be given... it is legally binding so why give the client the run around saying if i dont send a letter and all that you can not assist... when i request a service to be activated to track and keep up todate on usage i get told will be activated yet nothing.... no limit lock in place no way of seeing exactly where data being used no way of seeing how all my bundle purchases are used????