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STK Life 7S | User Manual & Set up Guide
38
The mobile
phone
cannot
connect the
network
The SIM card is
invalid
Contact your network service provider
The mobile phone is
not in a service area
of the GSM network
Move to the network operator's service area
The signal is weak
Move to a place where the signal quality is high
The battery
cannot be
charged
The charging voltage
does not match the
voltage range
indicated on the
charger
Ensure the charging voltage matches the voltage
range indicated on the charger
An improper charger
is used
Use the charger specially designed for the mobile
phone
Poor contact
Ensure the charger plug is in good contact with the
mobile phone
Need more support?
Go to STK live chat on our website
or via Care App, there is always
someone there to help rescue you.
Содержание Life 7S
Страница 36: ...STK Life 7S User Manual Set up Guide 36...