Apple does not seem to want you to open the phone, but they are easily the most repairable phones available. Most repair shops will repair any iPhone, and you c

Apple does not seem to want you to open the phone, but they are easily the most repairable phones available. Most repair shops will repair any iPhone, and you can stumble through it yourself using YouTube or iFixit. According to this 2/3 Apple devices sold are still active today: http://www.asymco.com/2018/02/27/the-number/ http://www.asymco.com/2018/02/27/the-number/ I believe Apple gains directly from the longevity. People know that Apple products last long and hold resale value; where I am the iPhone 5s from Sept 2013 is sold second-hand for ~$150CAD Devices with high resale value mean customers can upgrade frequently.