How to upgrade the firmware on D4-320/D6-320?
Applicable Models
D4-320, D6-320
For the firmware upgrade method for D4-320/D6-320, please refer to:
[EN]
https://forum.terra-master.com/en/viewtopic.php?t=7111
[CN]
https://forum.terra-master.com/cn/viewtopic.php?t=4728