: Operates over 7,000 kiosks and has collected more than 25 million devices.
: Provides automated diagnostics and gives users the option to receive cash or donate the proceeds to charity. vending machines that buy cell phones
: The user attaches a printed QR code sticker to the back of the phone and plugs it into a provided charging cable inside the kiosk's secure compartment. : Operates over 7,000 kiosks and has collected
: To prevent the sale of stolen goods, users must scan a government-issued photo ID and provide a thumbprint. Some machines also use webcams for live identity verification. : Operates over 7