Iphone 3gs 16gb spares or repair *

up for sale is my iphone 3gs 16gb in black everything works the way it should ive ownd it from new had screen replaced 3 months ago after i sat on it, then the other day i was changeing sim card and a little gold thing came out and now it doesent read a sim, it can be fixed from what ive read on the net about it not really botherd about getting it fixed as ive got my upgrade next week comes with box and usb cable £100ono gordon 07971696433