How to know card was used or not?

Please call to Telco or hotline 1900 63 64 86

1. Contact to Telco

-  Viettel: 198 ( with internal network ), 0989198198( with outbound network ) 

-  Vinaphone: 9191 ( with internal network ), 0912481111( with outbound network. ) 

- Mobifone : 9090 (with internal network ), 0904144144 ( with outbound network) 

- Vietnamobile: 789 (with internal network ), 0922789789 ( with outbound network ) ...

- Zing : 1900545436

- Vcoin: 19001530

- Garena: 19001282

- Gate: 19006611

2:  Contact to hotline 1900636486 to support