S. Korea develops self-healing cellphone screen film stocking 0 47 2021.11.28 13:21 https://youtu.be/L5IstAgZbEw + 13 스마트폰 액정 상처, 흔적 없이 원상 회복하는 필름 나온다 A broken smartphone screen can be a significant inconvenience and can cost a small fortune to fix.