One of our customer had been installed KTM100 software well.

But there is no message from the software.

So he find us and offer the error pic to us , as following

How do we solve it when we met this problem ?

Our engineer offered some solutions

First:Pls check there is no internet on your laptop.

Second:Pls check if the driver is installed well or not.

Third:Pls check TF card is good or not.

After checking by our customers , he finally find the problem.

The problem is TF card. After repairing TF card, the communication is normal now.