Big bill

I upgraded my voice deal from freeme 28gb to infinite max and now all of a sudden from paying 810 a month of my device i have to pay the full R11500 for my device i did not sign for it nor did the sales guy told me this is going to happen does telkom think im rich i don't even pay that much in a month my bill is normally R1209 a month i think this is ******* and i don't even have a email to contact them or to bring this under their attention only have a case number ***5