Frequently asked questions and solutions for gps devices

2019/8/14 10:34:00
Common problemProblemSolution
Poor receptionUse terminals in areas where reception is poor, such as near high-rise buildings or basements, wirelessRadio waves cannot be conveyedUsed in a good signal location
Cannot bootBattery of gps devices is exhaustedReplacement battery
Unable to listenUnable to set SOS numberSet the SOS number
SIM does not open caller IDOpen SIM caller ID
Unable to connect to networkSIM card is not installedCheck SIM card
SIM card metal has dirtWipe with a clean cloth
SIM card is invalidContact your network service provider

Exceeding the GSM service area

Please move to the network service provider service area
Weak signalPlease move to a place where the signal is strong
Can't find location informationSIM card does not open GPRS functionPlease contact your network service provider to enable GPRS function
Can't find location data

Restart the terminal; please contact

your dealer

Non-SOS number cannot be queried

Please bind the query phone number

to the SOS number

Cannot be located after the device is onlineGreen GPS signal light is always onThe light is always on, indicating that the device is in the positioning state. Please confirm whether the GPS ceramic surface is facing up, and check if there is metal shielding around
If the installation method and location are correct

Please try to restart the device and put the device in an open space to use the device's internal battery to check whether the device can be successfully


The device is offline during useCheck if the SIM card in the device is in arrearsPlease contact your dealer
If the gps devices have a call functionYou can try to dial the SIM card number. Under normal circumstances, the device will automatically hang up. You can send a text message to the device to restart it. If you still can't go online after restarting, please restart manually.
If you call to turn off the phone or can't connectIf the equipment is in good environment and there is driving during offline, please check the equipment manually restart
If the gps devices are manually restarted, it still cannot be onlinePlease contact your local distributor
Satellite positioning accuracy is not enoughPositioning accuracy is greater than 10 metersPlease confirm whether there is any metal covering in the outdoor open space or GPS antenna installation position
Traffic card arrearsTraffic card has expiredPlease contact the dealer to recharge
The traffic card has not reached the agreed expiration timeThe monthly traffic card only provides data traffic packets, and generally does not calculate SMS and call charges
Log in systemThis IMEI number does not existContact the dealer to add the IMEI account to the system
No user account exists
Green LED light (power supply)Fast flashing (light 0.1s, dark 0.1s)Low battery
Slow flashing (lights 2s, dark 2 seconds)Battery is full / working normally
Slow flash (light 0.1s, dark 2s)In normal work
Constantly brightcharging
not brightBattery loss, internal failure
Blue LED (GPS signal)Fast flashing (light 0.1s, dark 0.1s)searching  GPS signal 
Slow flash (light 0.1s, dark 2s)GPS is positioned
not brightGPS sleep or not working
Red LED(GSM signal)Blinking (lights 0.1s, dark 1s)GSM receiving signal is normal
Slow flash (light 0.1s, dark 2s)GPRS online
Constantly brightTelephone incoming/outgoing
not brightDid not receive GSM signal or did not insert SIM card