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No GPS
No reply to SMS
command
No reply to calling & Authorized / admin phone number is incorrect or has not
SMS position OK,
cannot use the APP
latform position is
difference from the
actual position.
A more open view of the sky is recommended to make
sure the device can receive the GPS signal normally.in
Password wrong or the format is wrong.
Pls check if APN is correctly set. And pls find out the
correct APN content of the SIM card. (Pls refer to 6.3
No uploading position time or no GPS signal: call the
device phone number and receive the position message.
If it shows like Pic 2, it means no GPS signal. The
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