Dragon Touch Vision 4 Lite - Playing Back Your Content; Viewing Files on Your Vision 4 Lite; Deleting Your Content; Deleting Files on Your camera

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Date Set: You can set the date of the camera.
Format: You can check the usage of the SD card and format the SD card.
To keep your microSD card in good condition, reformat it on a regular basis.
Reformatting erases all of your content, so make sure offload your photos and
videos first.
Factory Reset: This option resets all settings to their default values.
Device Info: You can check the model name and firmware version of your camera.