| Interface | Description | 
|---|---|
| DfuController | |
| FirmwareUpdateListener | Listener used to report status of firmware update. | 
| Class | Description | 
|---|---|
| DfuAuthorizationService | Helper DFU class for authorizing to beacon device. | 
| DfuControllerImpl | DfuController class is responsible for updating firmware for Beacon PRO devices. |