내가 갤럭시 s 쓰는데
나랑 바로 내옆자리 앉은 사람(모르는사람)이랑 나랑 카카오톡 하고있는데
왜내껀 졸라 안터지고 옆사람껀 잘터지는거지?대체 진짜
궁금하다 같은 핸드폰인데 무슨 차이일까? 대체?