******* renewal of contract

I got a phone call (19/1/2018 - ..........9238) suggesting to upgrade my phone which I accepted - they also upgraded my other contract (................2051)without my knowledge and yes with a Open usage for data - it used to be a Top Up contract - I never agreed to this - I received the account (12/3/2018) for this to the to amount of R2075.13 for 2.6 gig of data - logged calls for this due to me being extremely unhappy - 1/ ********** ********** which the ******* contract was cancelled - received a phone call on 15/3/2018 1/ ********** ********** (solutions dept ) to which they haven't got a solution for the R2075.13 to date my account is still the same thus still not sorted - now Vodacom want to log ANOTHER CALL /ref for this - UNACCEPTABLE my debit order goes off 29/3/2018 and then they will take the R2075.13 - I need this to be sorted out BEFORE THIS DEBIT ORDER GOES OFF - I Will cancel my debit order as of now until this is sorted.