How can I cancel and stop SMS messages coming from Tracker GPS device?

Quick answer:



If the SMS message starts with:

!TRG_01/01_50… 

You can cancel it by sending this SMS reply message:

?TRG_50_0



If the SMS message starts with:

!TRG_01/01_0… 

You can cancel it by sending this SMS reply message:

?TRG_0_0



If the SMS message starts with:

!CNF_01/01_0340…

You can cancel it by sending this SMS reply message:

NOTE! there's two _  _ at the very end of SMS: __

?CNF_01/01_0347_0__





Meaning of messages:



Barking alarm SMS notification: TRG_01/01_50… 

Geofence alarm SMS notification

!TRG_01/01_0…


AGPS status SMS notification

!CNF_01/01_0340...


Note, Tacker Hunter application does not use these messages. In case you get them you need to send the ending message as described in "Quick answer".


Additional information:

If you suspect that your GPS device sends messages to an unknown phone number, then these cancellations can also be made from Tracker support or by sending the GPS device to Tracker Service for software update and reprogramming


NOTE !!
SMS cancellation commands or other remote commands can no longer be sent by Tracker Technical Support or Tracker Service to GPS devices that are no longer covered by Technical Support or Service:

1st Gen G400 GPS devices have limited functionality during 2021 hunting season