Hardware Joycon battery drain issue switch 1

jetuaime81

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I have 3 left joycons that came with different switches. The battery drains in idle, other than that everything works perfectly. Like in 3 days without use the battery goes dead (0V which is not good for the battery).

On checking, I found the standby current draw on these is 0.4mA, while in working ones its like 0.1mA. Its like the joycon doesn't go into full sleep and I think it's the CYW20734 ic.

The firmware is already updated and I believe these ic are also custom programmed like switch wifi ic, and only pulled ones can be used.

I would like to try and install firmware again, Is there anyway I can force the switch to install joycon firmware?
Also is this a common issue cause I have seen quite a few of these earlier as well.
 

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