Can't look back / memory card doesn't video / can't loop delete video / can't format what?
1. Please confirm whether the memory card has been inserted into the camera. The memory card needs to be inserted first for video recording and review;
2. If the memory card is inserted, please try to format the memory card in the "Mi Home" app or through the computer;
3. If it can't be formatted or there are still problems after formatting, it is recommended to buy the camera special memory card of the brand manufacturer.
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