Here share the method to solve OBDSTAR X300 DP PLUS register failure problem by resetting the device. Customer problem: When I turned on my x300 dp plus, and tapped teamviewer to register, the registration interface appeared, but quickly jumped back to the user login interface. I tried it many times, it always showed the same problem. x300dp plus log in Obd2tool.com engineer replied: Please try to reset the X300 DP PLUS to solve this problem. Check the step-by-step guide below. Step 1: Contact our customer service to get the boot package Step 2: Copy the Android software with a formatted TF card Note: Don’t put them in one file Step 3: Turn on X300 DP Plus, insert the TF card into the slot of the DP Plus Then long press “Power” button to turn until “update successful” appears. Step 4: Turn off DP Plus, take out TF card Then turn it on again It will take 2-3 minutes during the process Please kindly notice: The software is the original software o...