First of all keep calm. Please contact us by e-mail, via the customer area in our shop. We’ll go through the errors, because often, small software errors can be solved very easily with an update. If it is really a hardware fault, then you can make a warranty application. You will receive further instructions from us.
Besides the free shipping of your device to China and the free return, we also offer the possibility to use our repair partner in Germany for minor errors. This is significantly faster and in the period of warranty completely free for you.