Posts by Plinio FM • 11 points

• 1

  votes

  1

  answer

  72

  views

  A: Check if the user has balance/credit

  Friend... as far as I understand, what you want to know is not easy. First: each operator has a different method of knowing the balance. TIM and Claro are by USSD (when you dial a number starting…

  java android

  answered 7 years, 1 month ago Plinio FM 11