["H"2]

Hi guys anybody help please.A friend asked me to at look her phone s500i.She said she put it in her bra and was doing gardening.It got wet and now U cant use any of the buttons. ie,you can turn the phone on but nothing else happens,you cant switch it back off or use any of the buttons.I have cleaned the phone pcb with a cotton bud and meths but still no joy.Anyone can help please