TKSTAR TK905 - Notices; FAQ and Processing Methods

7. Notices:
1.GPS tracking can be worked outdoor.
2.Please make sure GSM SIM card supports making calls, sending messages,
GPRS/WCDMA/LTE network.
3.Please make sure GSM SIM card is with sufficient balance.
4.Please make sure the GSM card has opened the call shows and turned off the call
transfer.
5.Please insert the GSM phone card correctly.
6.Do not assembly and disassembly device at will.
8. FAQ and processing methods.
FAQ
Instructions/Solutions
Fail to turn it on
Please check if battery is charged
No GSM signal

Please check if SIM card installed correctly.

Please check if SIM card is GSM network.

Don’t turn on the PIN code

no calls can be diverted
No GPS
A more open view of the sky is recommended to make sure the device can
receive the GPS signal normally.
No reply to calling & No
alarm message
Authorized / admin phone number is incorrect or has not setup
Platform position is
difference from the actual
position.
No uploading position time or no GPS signal:
more open view of the sky is
recommended to make sure the device can receive the GPS signal normally
or try to set the high upload interval .