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I have a problem when I connect the D+ and D- EC20 pins directly with usb to the laptop, the Quectel EC20 port is detected early after 2 minutes, it immediately disappears like the picture below, can you provide a solution?
October 20, 2022, 9:20am
November 30, 2022, 12:49am
It is hardware isuse, but not caused by the driver