Some users reported that after aprox 2 weeks/2 months xhorse VVDI MLB keys remote stop working. Keyless engine start works OK. Original key still working.
Solution 1 is to update the VVDI MLB keys firmware to latest version in software (check the previous post).
Here comes new solution 2.
Remove this diode and short circuit the two solder points. Shown as images in the device.
Remove the diode and short circuit it to enhance the keyless entry and fix the battery issues.
User feedback:
1.I made 4-5 Xhorse MLB keys like that. Temoved and shorted two points with wire. None of them came back. It helps to solve this problem.
2. I tried. It does fix the issues.