24. Possible failures and corresponding operations
1. Can't boot?
-Please confirm whether the battery is sufficient, if the battery is insufficient, please charge
the device
-Please confirm whether the power button of the device has been pressed for 5 seconds; if
there is no 5 seconds, please press and hold the button and wait for 5 seconds. After the
device vibrates, it means it has been turned on
2. The buttons fail after the device is shut down under low power?
-After the device is turned off, the screen will be displayed when the power is turned on. At
this time, the device is turned off and the buttons cannot be operated. Please do not think
that it is a crash of the device. After powering on, press and hold the power button for 5
seconds to start normally
-Note: (The screen will be on when the device is turned off and charging, but the button
cannot be used when the device is turned off, please use it after turning it on)
3. The device does not respond to text messages?
-Please double check the password or SMS format, the password and format must be correct;
-Please check whether the battery of the tracker is insufficient and charge it in time;
-Ensure that the tracker can receive strong GSM signals;
-When the GSM network is busy, wait for the SMS; sometimes, the GSM network is very slow
during peak hours or when there is a problem with the equipment;
-Please check the SIM card balance and recharge in time;
-Check the installation of the SIM card, if necessary, please re-insert or replace with a new
SIM card.
4. The device cannot connect to the server via GPRS?
-The SIM card does not support the GPRS function, please enable the GPRS function of the
SIM;
-Disable GPRS function, enable GPRS function;
-The IP or port is incorrect, please check the IP and port carefully, and restart tracke after
confirming that it is correct;
-Move the tracker to a place with strong GSM signal.
