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draining features such
as these gives your
phone a break, allowing
it to cool down.
Environmental
factors etc.
Used wrong charger
for charging battery.
Avoid direct sunlight
Charge your phone
correctly with
appropriate charger.
Restart your phone
—
Occasionally restarting
your phone can help
prevent overheating due
to minor software
problems.
The mobile
phone cannot be
powered on
The battery energy is
exhausted.
Charge the battery
Calls cannot be
dialed
Call barring is
activated
Cancel call barring
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