Samsung Electronics Service Cheongdam Center sits at Hakdong Sageori in Nonhyeon-dong, Gangnam-gu, Seoul, on the fourth floor of Samsung Store Cheongdam. It is an electronics repair shop that handles phones and home appliances, taking in vacuum cleaners, microwaves and laser printers, and staff explain the repair details. Service intake happens at the fourth-floor entrance, and going up by elevator or stairs gets you assigned to a technician. On Saturday mornings, when visitors crowd in, parking and the waiting line get long.