Complain MTN PMB

Good afternoon:The shocking service@ Cascade Pietermaritzburg, I bought the contract phone on d 6th June the Indian lady I'm nt sure her name but I'm nt happy abt their service I never expiriencer such a terrible service. From wht I knw when u buy a phone they should have switch it on 2 show you dt ur phone is working bt she did not do it she jst told me 2 switch it on after 30 minutes by d time I took my phone from d shop I was already on my way 2 go home, when I'm home I switch it on I tried 2 put d Simcard inside nd d phone doesnt want 2 take d Sim card I hv tried again I end up put d simcard in d wrong way dt where I realised dt I wa doing nt in d ryt way. D next day when I'm sending d phone back d lady was blaming me with his mananger Donavan I'm d one was putting d simcard in a wrong way, dey shifting a blame on me all of d suddenly Donavan was so rude 2 me he told me I must listen 2 him and listen 2 him very carefully????????????????he told me straight dey dnt put d simcard 4 customers, they dnt set d phone 4 customers its nt their job 2 do dat d only thng he can do I must take my phone 2 Samsung bzc it's stll under warranty while Samsung charge me R350 for taking d simcard out.... I will b happy if u guys do d follow up on ds 1, I wanted even 2 cancel my contract because I wont tolerate 2 be disrespectful like they does Donavan was even pointing his finger in my face I was upset I almost cried Unfortunately they can't do dt 2 me cz I knw d customer service nd Im dealing with customers everyday..... Many Thanxs Nonjabulo Nzimande