How to Solve Launch X431 V+ Bluetooth Connector Poor Contact Problem?

Customer problem:
I have a launch x431 v+ and use it many times, it always works fine. But recently it cannot work normally. There is poor contact on the Bluetooth connector, I need to unplug and plug it in over 3 times so that it can work. engineer replied:
Check if you contact with an extended line, if yes, remove the line to try again.
If it still failed to use, please open X431 APP and go to the personal center to fix the firmware.

For further problems, please feel free to contact our customer service.
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