- Check that "H.264" has been selected for the compression method when storing the images on SD card of Network Camera. Playback is not available in the MJPEG format.
 - Check whether other user play back recorded image on same SD card.
 - Check your registered User name and Password of Network Camera on application Device Registration. If User ID and Password are administrator level, you cannot play back recorded images on SD card.
 - Check SD card slot setting of network camera and SD card lock position. If you set “Not use” to SD card slot setting and move to lock position (Read Only), you cannot play back recorded images on SD card.
 - In the case of i-PRO smartHD series network camera, please check that he recording data of the SD card is H.264 recording compression format.
 - In the case of i-PRO EXTREME series network camera, please check that the recording data of the SD card is H.264 or H.265 recording compression format.