Make sure that the vocom2 dongle is powered up by 24V ECU or truck. Low voltage will affect the firmware update.
1. After connecting with WiFi, go to All Programs and then click VOCOM II Configurator.
2. You will see the windows as below. And Click the setting icon as the pictures below.
3. Then choose ‘Advanced’- ‘Update Device Firmware’
4. Click the Start update icon to update
Wait a moment until it is finished.
It will run the Volvo TECH TOOL automatically when the firmware update is finished.