The mDealer application is integrated with all professional functions related to Viettel's sales and customer care services, including:

- Register for prepaid mobile information
- Prepayment transfer/standardization
- Prepaid and postpaid mobile connection
- Profile management
- Multi-channel sales
- Look up numbers
- Manage BCCS Bankplus account
- Confirmation of goods receipt
- Confirm debt
- Change customer information
- Change sim
- Look up goods
- Look up sales fees
- Handling complaints
- Convert mobile TT to TS
- Change network and keep number
- Order
- Return goods
- Report