Q：SD card cannot be read
A：1. Please check the brand and model of the SD card. Confirmed compatible SD card brands are SanDisk and Kingston. Using other brands may result in incompatibility.
2. Please check if the SD card is installed correctly, then restart the device to see if the SD card can be detected.
3. Try using a different, working SD card to see if it can be read.
4. To check if the SD card can be read by a card reader on a computer, try formatting the SD card. To format a microSD card: a. Insert the microSD card into the card reader, then plug the card reader into the computer; b. After the SD card is read, right-click on the SD card and select "Format" from the context menu; c. In the formatting interface, select FAT32 as the disk format, and then click "Start Formatting".
