Blackberry 9800 torch unlocked *slight fault* .

Blackberry 9800 torch unlocked to all networks comes with box charger brandnew earphones cleaning cloth charger etc, There is a slight problem with the screen, it works perfect when its slide down, but when you slide it up the screen goes off, i have recently taken it to the market and they said it needs a new wire from the screen to the motherboard and they qouted me £25 including fitting,since then i have upgrades phones and havnt got round to getting it fixed, Any questions please feel free to ask