Displays the following information:
- Billing Plan: Shows the current plan and the available balance. You will be able to upgrade your plan. 
- Add funds: To top-up your wallet. 
- Auto reload funds: automatically refill your balance. 
- Low funds alert: set up a reminder when your balance falls below a certain amount. 
- SMS Calculator: Estimates the cost of international messages. 
- Payment Methods: Primary and alternative. 
- Invoices: Access the invoice history. 


