Iphone 2G 3.1.3 Software Extras!!! slight faults ?

Iphone 2g No box has a cracked screen but not that bad and touch and lcd both work cracks not even gone through at all and only about half the screen. screen protector still on it. comes with charger,usb,headphones not used,griffin clear shell case with stand and wriststrap. on 02 but easeliy unlocked wifi wont connect to a network it finds them but doesnt connect prob a wifi chip problem ??? i have no clue prob an easy fix. and in ok condition few dings on the back but good for its age no time wasters pleaseeeee !!! Thanks for looking..