KEYDIY KD-X4 user reported that he failed to activate MQB license on the Android mobile phone. The APP prompted the balanced is not enough when he selected pay method.
Solution:
1.Recharge your wallet.
2.Use the wallet balance to pay the activation fee and activate your license.
3.Troubleshooting:
If the payment system fails on your device or in your region, please contact KD Technical Support or Customer Service.
