Run “Teye” APP, -> My Device-> -> ->SD Card . If the memory card was recognized, the memory capacity will be displayed. If you memory card can’t be recognized, please check the memory card according to the following steps.
①Check whether the memory card capacity is between 2-128G and
whether Class 10 high-speed card. If not, try another SD card, Samsung、SanDisk、Kinston brand is recommended.
② Power off the device, Reinsert the memory card again, to see if it can be recognized.
③Take the memory card to the computer and format it into FAT32 format, then insert the device to see if it is recognized.