Where can I find the options to send diagnostic feedback, perform a firmware repair, and reset to factory settings?

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• What should I do if the diagnostic software is missing after a factory reset or if I accidentally deleted it?

  Please visit https://en.cnlaunch.com/download/, find the QR code that matches the model and the first five digits of your SN, and scan it to download and install the software. Then, log in with your previous account to use it normally. Please make ...

• What should I do if I can't find the DC charging cable?

  The package comes with a DC 5V USB charging cable, as mentioned in the accessories list. This cable is stored in the black carrying bag. Please check each pocket of the bag to find it.

• How can I change the password for logging into the diagnostic software?

  To change your password, click on the app, then navigate to User Info, and select Change Password to update it. If you have forgotten your original password, please contact us with your serial number and your desired new password, and we will reset ...

• What should I do if my device shows the error "Sorry, program exception"?

  To resolve this issue, please follow these steps: Step 1: Clean up the cache by going to Settings >> Clean up. Step 2: Turn off the scanner and turn it back on after waiting for 5 minutes. If the issue persists, please uninstall and download the app, ...

• What should I do if I receive a device that has already been registered?

  Please provide the device's serial number (SN) so we can check the registration details. We can then reset it for you, allowing you to register it again. Alternatively, we can arrange for an exchange.