false marketing

I had gone into the Overport store on either 26/1/2015 or 27/1/20105. My application could not be processed timeously and I was unable to go back to the store to fetch the modem so the sales consultant, Adil informed me that he will arrange for a delivery. I informed him that the account must only be activated the day that it was delivered and he assured me that would be done. I tried about 10 times after I receive the sms that my app was approved to find out when the modem would be delivered. Eventually I manage to get a hold of Vishnu 2 days later who informed me that it would be delivered on the 31st. I then discover that the modem was already activated 2 days prior. Now if a client is being charged pro rata for the month WHY is this activated before they take delivery of the unit. I then told Vishnu/Adil that they must cancel the contract as I found this very unfair. Adil assured me that the credit will be passed for the 2 days. To this very day after 3 phone calls to them begging to have this credit passed nothing has been done. This would mean that they **** to get me to take the contract on 2 counts 1stly about the activation,2ndly about the credit.could you plse investigate