Abused phone

<p>Ive been to your branch in tygervalley. My cellphone that is less than 10 months old suddenly had problem s charging. The cable could not connect long enough. I realized it was a phone issue because charger connected to other devices. My phone ( samsung 6 edge )booked in by an unfriendly person but nevertheless I believed my phone would be fixed due to the warranty still being active. I received a bill of R750+ to fix something I somehow damaged its inside the phone how could I do that? I called to speak to the technicians but they were busy so I asked the person who answered the phone how that was possible she just said you can use the charger in various ways to damaged the phone. Her tone and sarcasm wasnt appreciated. Ive used iphone for years and never had this problem. I have colleague with the same issues on her samsung 6. This bill is too high I don't think it's fair</p>