KIOSK EQUIPPED WITH DELIVERY DEVICE FOR BUYING/SELLING USED PHONE IN CONVENIENCE STORE

摘要

The present invention relates to a method for buying/selling a used phone and a device thereof which first diagnoses the functions and specifications of the used phone, calculates a buying/selling price of the used phone from the diagnosed results, and executing the buying/selling of the used phone when the calculated buying/selling price is agreed upon.;COPYRIGHT KIPO 2019