You addressed the first question, but I popped in to bring up this neat video I came across a few years back regarding the second question. How about this guy,

You addressed the first question, but I popped in to bring up this neat video I came across a few years back regarding the second question. How about this guy, who "built a like-new (but really refurbished) iPhone 6S 16GB entirely from parts purchased from the public cell phone parts markets in Huaqiangbei."? :D https://strangeparts.com/how-i-made-my-own-iphone-in-china/ https://strangeparts.com/how-i-made-my-own-iphone-in-china/ Making-of: https://www.youtube.com/watch?v=leFuF-zoVzA https://www.youtube.com/watch?v=leFuF-zoVzA