If your Mijia Nightlight 2 Bluetooth version cannot connect, please try the following steps to troubleshoot:
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1. Make sure Bluetooth is on: Check whether Bluetooth is on in the phone Settings. Make sure Bluetooth is activated.
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2. Confirm the distance: Keep the distance between the phone and nightlight 2 within a short range, usually within 10 meters. Too much distance may cause the connection to fail.
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3. Restart Nightlight 2 and phone: Try restarting Nightlight 2 and phone, sometimes this can solve connection problems. Turn off the night light and restart the phone, then try to connect again.
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4. Forget the device and reconnect: In your phone's Bluetooth Settings, find the paired Nightlight 2 device and forget it. Then search again and try to connect.
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5. Update firmware or app: Check if there are firmware or app updates available. Sometimes updates can fix connection issues.
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6. Reset Nightlight 2: If none of the above methods are successful, you can try to restore Nightlight 2 to factory Settings. Usually there is a reset button on the nightlight, press the button and hold it for a few seconds, and the light will revert to factory Settings and restart.
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If you try the above methods and still can not connect to Nightlight 2, it is recommended to contact Mijia customer service or technical support, they can provide further help and solutions.
You can not screw on the tooth plate, then there is a problem with your Bluetooth or a network problem to find a problem yourself.