I have a Black iPhone 4 32GB . Original box and all accessories. Perfect condition except for the fact that the lock button stopped working recently and I am out of a warranty. What is a fair price to ask? Reminder from the moderators: This thread is for price advice. You can ask for or offer advice on pricing but you may not offer to buy, sell, or trade in this thread or any other thread in the Buying Tips and Advice forum. All buying/selling/trading threads must be in the Marketplace forum, which is open only to established members. See the Rules for the Buying Tips and Advice forum and the Marketplace Rules. Thank you!