Mislead by the Store

On the 1st May I went to Markhams store to purchase a phone due to my phone******, I bought a samsung phone which was on vodacom stand and I told the salesperson I'm going to simswap instead when I got home I realised that its a Telkom phone I went back to Markhams the supervisor told me they can't change the phone its activated already, went to Vodacom helped with simswap but its 3days later my network its not working the I don't want this Telkom phone I never wanted Telkom I was mislead by the Markhams staff, which they mix vodacom & Telkom phones & not inform customers, when you purchase you under the empression that you buying a vodacom while its a Telkom phone.I am Frustated I can't use my phone is this Good Service Markhams? They salesperson can't even simswap or help with problems!!! Hellopeter please HELP!! My email adress is [Email Removed]