This product has no brand or model. Just a box labeled "VEHICLE BLACKBOX DVR" and that's it. Judging by the discussions in 4PDA, these mirrors are riveted in every village from what they have. Therefore, despite the same box and appearance, they have different characteristics and firmware. There may be glitches. My buttons didn't work the first time I turned it on. Unplugged/unplugged several times and it worked. If you take a similar device, then take a branded one, at least Digma, there you can find at least the firmware, in which case.
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