Ebyte NB114 User Manual page 57

Chengdu Ebyte Electronic Technology Co., Ltd.
Step 2: Open the upper computer, click "Menu", and select "Serial port upgrade
assistant";
Step 3: First connect the USB port of the computer, select the corresponding port
number in the pop-up "Serial Port Upgrade Assistant" dialog box, and click "Open Serial
Port";
Step 4: Click "Select Firmware", select the corresponding firmware, and then click
"Open";
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NB114 User Manual