Hello, you can pull up the USB_boot to 1.8v to make the module enter the forced download mode for upgrade. The usb_boot test point is shown in the figure below. I hope it will be helpful to you, thank you.
Hello, you can pull up the USB_boot to 1.8v to make the module enter the forced download mode for upgrade. The usb_boot test point is shown in the figure below. I hope it will be helpful to you, thank you.
