آیا آیفون واقعا قدیمی شما هنوز هم ارزشی دارد یا فقط ضایعات الکترونیکی؟ چگونه بگوییم

Is your really old iPhone still worth anything or just e-waste? How to tell

I found my old iPhone 4 in a drawer and wondered: Does it work? Is it worth anything? What should I do with it? I went looking for answers.