I travel a lot sign in from many different places in Asia now  in Vietnam ,  I have received last code to unblock my account  in China  2 years ago , don't have it now , it asks me to enter the last 4 digits of the phone to send a code ,yes I have found the sim card and the number from China , but I'm in Vietnam how I will receive a code  , tried to fill the form but  refused insufficient data,  the account im sending  this massage from  I ve  just created for this propose what can I do now ?