User manual
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Blumax GPS Tracker V1.0
En
No SIM card 
Insert a working SIM card. Check in 
phone that the SIM can send SMS 
message. 
SIM card has expired 
Check in phone that the SIM can 
send SMS message. Replace SIM 
card if needed. 
SIM has PIN code set 
Remove PIN code by inserting SIM 
in you phone and deleting the code. 
SIM is warped or damaged 
Inspect SIM, clean the contacts. If 
re-inserting does not help try another 
to see if it will work. 
Roaming not enabled 
If you are in a different country your 
SIM account must have roaming 
enabled. 
Battery is low 
Recharge the unit and the GSM will 
start working. 
Problem: blue LED is fl ashing (1 second on and 2 seconds off) or the 
SMS received starts with ‘Last…’
Possible Cause:  Resolution: 
Unit does not have clear view of 
the sky
Move the unit to a location where the 
sky is visible. Tall buildings, trees, 
heavy rain, can cause problems with 
the GPS reception.
Bad GPS reception
Place the front side of BLUMAX 
GPS-Tracker V1.0 towards sky
Battery is low
Recharge the unit and the GPS will 
start working.
Problem: unit fails to connect to server via GPRS
Possible Cause:  Resolution: 
SIM card in BLUMAX GPS-Tracker 
V1.0 does not support GPRS 
function
Enable SIM card GPRS function.










