Lonsdor K518 Pro Device Failed to Start Solution

 Problem:

Londsor K518 Pro key programmer device failed to start. It is not working.

Solution:

Please carefully open the device shell and check if the screen’s flat cable has become loose. Gently unplug and reconnect the cable to ensure proper contact.

Reconnect the flat cable within the red circled area.

If still not start, contact your customer service to confirm if needs replacement.