What should I do when I find out that I own a spam SIM?
after checking the phone sim by sending a message with tttb to the beginning of 1414, many dozen fire users discovered that they were subscribers of many numbers, but they did not
Tags : additional subscription information
Will 'Saint SIM' need additional information like other carriers?
as for vietnamobile, do sim users need to add information like the rest of the network?
Adding subscriber information through the application but still not confirmed why?
to check and add information to subscribers, users can directly access the following website addresses corresponding to each network to see if their subscription is safe or not?