81
4.4 Data Usage
Check SIM card data usage, as
Figure 4.15
Figure 4.15
Check WIFI data usag
e
Click
icon in right top of
Figure 4.15
, click
Data Usage
, as
Figure 4.16
Figure 4.16
4.5 More
Airplane Mode
Airplane Mode
can turn off
WIFI
and
GSM
card function quickly, when airplane mode is turned on,
WIFI
and
GSM
can’t get any signal, then airplane mode is turned off,
WIFI
and
GSM
module will recover to previous state.
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