JK Inverter BMS Firmware Update Process. Can't be that hard, right!?

Many viewers have asked for a dedicated video about the JK Inverter-BMS firmware upgrade process. This sounds like a very straight forward task. But along the way, there are many pitfalls which can make it hard and confusing to update your BMS. And this is once again because of JK's bad documentation, obscure hardware releases and inconsistent change logs.
So, here is how to update your JK Inverter-BMS with the latest firmware...
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