Open the Huawei Honor 9 Lite settings. Go to "Additional settings" and then to "Developer options". Activate the slider next to "USB debugging". Confirm the operation. This completes enabling the option, and you can communicate with the smartphone via the computer in debug mode.
The default option is “Power only”. In this case, the Android smartphone simply receives its charge from the computer. Check your pairing settings and select "Connect as media" or "USB storage." Only in this case will the PC determine the Huawei Honor 50 phone as a full-fledged storage medium. If nothing happens when you connect a mobile
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honor 9 lite usb connection