Vodacom incompetence

I am so sick and tired of Vodacom. One year I accepted a deal for a Vodacom tablet for R99 per month. I have been with vodacom for years and i already had a contract with them on another number. This tablet number was: ***. somehow, someone did not link my two accounts. October 2017 it was already past contract period. they did not deduct from the same account as my existing contract number always deducts. this was taken out October 2015 and by October 2017 I had to pay R900.00 because I don't know where they deducted the tablets account from, event after I TOLD THEM TO JOIN BILLS. So when I paid up which I felt was mistakenly adding up to the above amount due to Vodacom's incompetency - I asked them to also end the contract at it was end of contract term and I was done with that tablet and sim card that had been inactive for more than 7 months by that time. So no one cancelled that darn contract and still no one joined accounts and now I am Liable for R598.00 as the line had been suspended causing me to have a bad name, once again all thanks to Vodacom. i don't see why or how this could at all be accepted?

i will tell everyone of this bad experience more than once. Vodacom is the WORST!!!!!!