1. Kindly be informed that the screen may not respond due to low temperature. Hence, please rub your hands together before touching it in a clod weather.
2. Kindly confirm if you are using a U3 SD card that meets the requirements stated in the user manual.
3. Use another SD card that meets the requirements, don't forget to format it before using.
4. Kindly reset your dash cam if suggestions above do not help with your issue.
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