STK Professional Audio Storm 2e Plus User Manual page 20

Signals
obstructed.
instance,
waves cannot be
effectively
transmitted nearby
Poor received signal
a high building or in
quality
a basement.
Line
occur when you use
the mobile phone in
high-traffic hours
The mobile phone
The battery energy
cannot be powered
is exhausted.
on
Calls cannot be Call
dialed activated
The SIM card is
invalid
The mobile phone
The mobile phone
cannot connect the
is not in a service
network
area of the GSM
network
The signal is weak
The
voltage does not
match the voltage
range indicated on
The battery cannot
the charger
be charged
An
charger is used
Poor contact
are
For
radio
Move to a place where signals can be effectively transmitted
congestions
Avoid using the mobile phone in high-traffic hours
Charge the battery
barring is
Cancel call barring
Contact your network service provider
Move to the network operator's service area
Move to a place where the signal quality is high
charging
Ensure the charging voltage matches the voltage range indicated on
the charger
improper
Use the charger specially designed for the mobile phone
Ensure the charger plug is in good contact with the mobile phone
Storm 2e Plus User Manual | English
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