Poor service

I bought a laptop at mtn bayside that was on promotion with a router and the sales consultant (justin)didnt explained to be where the password was of the router and i went back to the store the next day he didnt had a away to speak to me. And i had to wait more then a hour at in the line for asistence Very very bad service at that branch mtn bayside I have complain on facebook on mtn customer service and promised me they will phone me back its now more then a week now