This the interface of the phone reload machine. User need to click "Next" to continue or "Exit" to exit.
User need to choose their service provider to reload their number. User can only choose one of the service provider.
Next, user need to choose their amount of reload. After that click "Next" to next form or "Back" to choose their service provider.
User must insert their phone number to in the interface. They have to make sure that the number that they have insert is correct.
Then, user need to insert the money.
Finally, it is done. User will receive a sms from the service provider.
