I have an iphone 4 that no longer works. I know that selling it is always an option, but i'm curious if i can scrap spare parts from it instead (especially sensors). I've looked online, but haven't found any evidence of any DIY instructions on how to do this. I suspect that doing this is extremely difficult, if possible/worth it at all.
How difficult would it be to extract components from an iphone? What equipment would i need to do this? Weighing in the cost-benefit of scraping components, is it worth it?