Samsung damaged my goods and then gv poor service

I sent in my s5 for screen repairs at the Samsung store in gateway they returned my handset broken werby I cannot hear on calls I nva had this prob with my device it was just my screen broken and they took phone back says there's NP with handset I exchanged mobiles so guy could see what I'm talking about they have booked the mobile and manager Mr Sew says he is going to deal with phone will receive it within 24 -48 hours time 1 week down a lady calls me on Thursday at around 11am n says to pick phone on sat ....wen I gt to store they cannot find my phone no1 brought the phone from warehouse ....consultant then calls da main boss Mr Hemi and what he says is phone will only be in on Monday I asked to speak to him he says he busy don't have time don't disturb him <br> 1stly this is poor customer service , I have ran 8 times up and down to store to rectify they mistake no1 compensates me for my fuel ,time wasted,I had come the way just for the phone cos I was told it was going to be in store sat ,still went to store gv me poor service n these main boss Mr sew and hemi does not take my call absolutely rude and disgusting behavior gonna be dealt with high authority ....customers always rite