I am afraid this solution could kill second-hand market with "service providers" not happy to dispose of old products to keep the prices high. Would iPhone all

I am afraid this solution could kill second-hand market with "service providers" not happy to dispose of old products to keep the prices high. Would iPhone allow the second-hand market for their phones? Not likely, thus keeping a huge part of the less fortunate population out of the possibility to get hands-on premium products. Your model could be an addition to the current service model, not a replacement.