BLACK BOX AND BLACK DATA WHAT A DISASTER!

Cell C, black box and black data, NOT WORKING. We have setup our black box over the long weekend, with a so called gift from Cell C, "Zero data charges this long weekend" which we could not enjoy, as well as a 7 day trail period which we could not use. My black box is depleting my normal data as well as black data at the same time (simultaneously). I saw complaints about this since November 2017, what do they tell me? They are still investigating.. what???? still investigating, would think you already have a solution... since 2017. Since they promised zero data over the long weekend, and since this was a seven day trail period, I would assume that this issue would have been top of their list to resolve, as you just don't make promises to clients you cant keep. We have not been able to make use of this trail period, why give a trial period then? Customer Service very bad, since my complaint on Sunday, 8th April 2018, I have been put through to all different departments, and all they say is "Sorry about this", but no solution, Friday I was phoned twice and promised that they will resolve the problem, told they will phone within an hour again, still waiting for the call. Was looking forward to watching movies with my kids during the holiday, what a disappointment and what a frustration... Cell C needs to work on client satisfaction and stop lying to clients (zero data charges and 7 day trial periods - which does not happen, promising feedback, also not happening), get complaints sorted and stop apologising, its been longer than a week and the school starts tomorrow. AND STOP REFERRING ME TO BLACK DEPARTMENT, THEY KNOW LESS THAN ME ABOUT THE PROBLEM, AND NOT WILLING TO ASSIST! AND SID DOES NOT ANSWER ANY QUESTIONS, IT IS DESIGNED FOR ENQUIRIES AND IS AN AUTOMATED ANSWERING SYSTEM!!!