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Problem
Cannot switch your
phone on
(U)SIM card error
Unable to connect to
the network
You
cannot
make
outgoing calls.
PIN Code blocked
Unable
to
enter
information into the
phone book
Phone
crashes,
reboots, freeze, or
cannot be powered
on
Emergency Number
Possible causes
If you are not able to connect to the network,
the phone will continue to send out signals as
it attempts to locate a base station. Doing so
consumes
battery
consequently shorten standby time.
Battery power has been depleted.
(U)SIM card malfunction or damage.
(U)SIM card inserted improperly.
Debris on the (U)SIM card contacts.
(U)SIM card invalid.
You are not within the network's service
area.
Poor signal.
You have activated the Fixed dial numbers
feature.
You have entered an incorrect PIN code three
consecutive times.
The phone book's memory is already full.
Some third-party software is not compatible
with your phone.
Unable to call emergency Number.
power
and
will
71
Possible solution
Change your location to one where
the network is accessible, or
temporarily turn off your phone.
Recharge the phone's battery.
Take the (U)SIM card to your
service provider for testing.
Insert the (U)SIM card properly.
Use a soft, dry cloth to clean the
(U)SIM card contacts.
Contact your service provider.
Check the service area with your
service provider.
Move to an open space, or if you
are inside a building, move closer
to a window.
Go to Settings > Call Settings >
SIM Settings > Fixed Dialing
Numbers and disable it.
Contact your service provider. If
the service provider provides the
(U)SIM card's PUK code, use the
PUK code to unlock the (U)SIM
card.
Delete unnecessary data from the
contacts.
Reset the phone to factory status.
Enter safety mode and uninstall the
software
that
may
problem.
Upgrade the phone software.
Please ensure that SIM Card is
inserted with in handsets.
cause
the
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