| APP： | All APP download Register problem APP login problem WiFi connection Real-time preview |
| Firmware： | All Sensor sensibility GPS time Parking surveillance Time and date SD card Update problem Video problem Language version Speed and location Voice Problem |
| Hardware & Accessories： | All GPS recognition Appearance Reboot problem Electrostatic sticker USB cable Car charger hardware problem |
| Suggestions & Guidance： | All Suggestions Guidance Official |
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M-DRV_1641437615158 10 Days+55 0 0
