This is my first Iphone which I've had since Christmas and up to now I've had no problems with it.
Whenever I get a text, an alert shows up but no sound is made. The same thing happens whenever I get a call too.
I've checked my settings and nothing is on silent as far as I'm aware. I've also tried turning the phone on and off but nothing seems to work.
I'm a bit of a technophobe when it comes to these things so any help is appreciated:)
Read more: Iphone 5: No text message sounds/ringer alerts?