30
7
）
If the watch becomes offline on the last day of
one month, please check if GPRS is close.
8
）
Check the parameters of watch via commands.
9.3 Position drift
Position drift will be found in places where GPS
signal is poor. Please go to the place with good
signals.
9.5 Command receiving abnormally
1
）
Check the Command format.
2
）
Check if the SIM card is properly installed.Check
if the watch is in the places where there is GSM
signal.
Ⅹ.Warranty rules
10.1 Special statement
1
）
Technology change, without notice.
2) If the color and appearance are inconsistent with
those for the actual product, the latter will prevail.
3
）
Warranty card is only valid for the watch with the
