Blackberry curve 8520 white cheap fix? can post for £5 paypal !

Have for sale a blackberry curve 8520 in white. the condition of the phone is fair, few marks. The back of the phone is black. When I turn it on, it has a password one which does not let me access the phone, with this I do not know if the phone is working fully or has other problems. Selling as non working. will post within 48hours of payment via paypal for a safe, smooth transaction