Usar o APKPure APP
Obter o APK da versão antiga de Sim Help BD para Android
Este aplicativo irá ajudá-lo a usar o seu sim móvel muito facilmente
This Application provides you some important USSD code for all Bangladeshi sim except Citycell.After running the app just choose your option and perform your expected operation.If you face any problem,please let me know by giving your feedback.Your inspiration is my power .It will make me useful to do something better