Bad services

I was called on the 24 of November and i was offered a black friday promo for two sumsung grand prime plus but they delivered only one and i thought maybe they will deliver the other phone later,but when i follow up i was told that the agent mistakenly captured only one phone and i wrote an email to their customer care but one his ever came back to me,i went to mtn chilli lane and gallo manor to return the phone but i was told that i have to take the phone to morning side i am off after 12 days i dont own a car and staying in kempton park i dont even know when would i get time to go to morning side.i got an email from the customer care centre with a ref: ********** 4 on the 30th of november sayimg that my quiery was escalleted and they will come back to me im 24hrs nut nothing, i want what was offered to me or they can take their phone.