Operation Manual

98
99
Problem Possible causes Possible solution
Unable to
connect to the
network
The micro-SIM card is invalid. Contact your service provider.
You are not within the network’s
service area.
Check the service area with
your service provider.
Poor signal. Move to an open space, or if
you are inside a building, move
closer to a window.
Cannot answer
incoming calls
You have activated the Call Barring
feature.
Go to Call Barring Settings, and
then select Deactivate All.
Cannot make
outgoing calls
You have activated the Call Barring
feature.
Go to Call Barring Settings, and
then select Deactivate All.
You have activated Fixed Dialing
Numbers.
Go to Fixed Dialing Numbers
and disable it.
PIN code
blocked
You have entered an incorrect PIN
code three consecutive times.
Contact your service provider.
If the service provider provides
the SIM card’s PUK code, use
the PUK code to unlock the SIM
card.
Unable to enter
information into
the phonebook
The phonebook’s memory is already
full.
Delete unnecessary data from
the contacts.
Phone crashes,
reboots, freezes,
or cannot be
powered on
Some third-party software is not
compatible with your phone.
Uninstall the software that may
cause the problem.
Upgrade the phone software.
Reset the phone to factory
status.
Device is
sluggish or
responds slowly
Your phone is allocating memory to a
large number of apps running at the
same time.
Go to Task Manager and close
apps that are not being used.
TROUBLESHOOTING
For your safety
General safety
Don’t make or receive
handheld calls while
driving. And never text
while driving.
Don’t use at gas stations.
Keep your phone at least
half an inch (15 mm) away
from your ear or body while
making calls.
Your phone may produce
a bright or ashing light.
Small parts may cause
choking.
Don’t dispose of your phone
in a re.
Your phone can produce
a loud sound.
To prevent possible hearing
damage, do not listen at high
volume levels for long periods
Avoid contact with
anything magnetic.
Avoid extreme temperatures.
Keep away from
pacemakers and other
electronic medical devices.
Avoid contact with liquids. Keep
your phone dry.
Power off when asked to
in hospitals and medical
facilities.
Don’t take your phone apart.
Power off when told to
in aircrafts and airports.
Only use approved accessories.
Power off when near
explosive materials or
liquids.
Don’t rely on your phone as a
primary device for emergency
communications.
FOR YOUR SAFETY