Why else would we still have phone theft and how do these preowned parts end up on eBay? Less skilled people steal them and then list them on eBay as “account l

Why else would we still have phone theft and how do these preowned parts end up on eBay? Less skilled people steal them and then list them on eBay as “account locked iPhone” Then more skilled people strip them for parts and will sell just the camera, battery, etc.