Very very angry!!!

I AM SO ANGRY WITH MR P MOBILE IS THE WORST CELLULAR CONTRACT I HAVE EVER ENCOUNTERED! I WAS CALLED WITH THE GREAT NEWS OF A R99 CONTRACT FOR A TABLET AND 300MB INCL EVERY MONTH FOR THE' WOUNDERFUL PRICE' OF R99 , FIRST THEY BILLED ME R180 AND WHEN I ENQUIRED THIS , WAS TOLD ITS PRO DATA RATES AND WAS ASSURED THIS MONTH IL BE BILLED R99. I EVEN MADE SURE THERE IS A SOFT LOCK ON THE DEVICE AND CALLED THEM TWICE!!! GUESS WHAT I GOT A SMS LAST NIGHT TELLING ME I AM GOIN TO BE BILLED R569 !!!! WHEN I CALLED THEM NOW THEY HAVE EXCUSED TELLING ME I WAS ON INTERNET FOR 2 HOURS AND THE LINE DIDNT CUT OFF SO NOW I AM BILLED!!! I WAS MISLED INTO THIS CONTRACT AS I WAS TOLD IT A TOP UP CONTRACT THAT CANNOT GO OVER!!! I WANT THE RECORDINGS FOR ALL OF THIS AS I AM GOIN TO GO SEEK LEGAL ADVISE!!! I WILL NOT PAY YOU 600 WHEN I KNOW I HAVE NOT BEEN USING THE DUMB TABLET FOR ANY DOWNLOADS OR ANYTHING OF SORT!!!! I WANT THE PROOF OF THIS!!!<br> I SHOULD OF NEVER FELL FOR THIS ****!! I WANT RECORDINGS OF MY AGREEMENT AS I WAS TOLD ITS A TOP UP!