In Hongdae, go to Daiso Hongdae 2 (182 Yanghwa-ro) or Hongik Univ.

Entrance (25 Hongik-ro), near Hongik Univ. Station on Line 2, 10am–10pm. iPhone 16 uses Case2 iPhone16 and iPhone 15 Pro uses Case2 iPhone15 Pro, both ₩3,000. Popular models may be out in some stores. You can stock up before upgrading your phone.