Ban gap rac roi khi khong biet
thong tin ca nhan sim cua minh
dang su dung ? De lay lai cac
thong tin nhu : chu so huu,ngay
thang nam sinh,so CMTND... ban
lam nhu sau:
+Viettel:soan tin nhan TTDK gui
141
+Vinaphone:soan tin nhan TTTB
gui 1414
+Mobiphone:...?