Determine the power supply voltage and current to ensure stable power supplyTurn off the low voltage shutdown functionUnplug the SD card and see if it will restart确定电源供电是否稳定，全负载（含摄像头和SD卡）工作需要12V以上的...

4G无法拨号问题Problem for 4G unable to dial 检查下4G天线是否正常连接，并把天线放到空旷室外，如下图：1, Check whether the 4G antenna is connected normally, and put the antenna outside the open room, as shown in the figure below二，把4...

Question：GPS invalidCheck whether the GPS antenna is firmly plugged into the MDVR；Put the MDVR GPS antenna in an outdoor open place and check the signal strength；Insert the GPS antenna that works n...

Question：4G invalidCheck whether 4G drops occasionally or all the time?Pull out the SIM card in the MDVR and insert it into the mobile phone to confirm whether there is still communication trafficC...

methodPartnerDevelopment difficultyDevelopment costsCustomers develop according to CMSV6 API and integrate into their own platformCMSV6 PartnerSimpleFreeFor the functions that CMSV6 API cannot meet...

Possible causes of failure to start：Check whether the SD card lock is closedCheck whether the vehicle key is openedPull out the SD card, then close the SD card lock, and power on again. Can it be s...