When you use VVDI Key Tool Max first time, you need to active and combine the device.
Scan and Connect available WIFI (Phone hotpot please select 2.4Ghz,if not maybe not find the WIFI ssid)
Enter mobile phone number to get Security code, and and enter the code to login.
Send and Enter Security code again, then Combine the device success, devcie activation success.Setting Completed,you can stat to use it.
A. After device combined to account,account will share this device bonus points.
B.Parts of devices support to share function.