27
You cannot
switch your
phone on.
Battery power has been depleted.
Recharge the battery.
SIM card malfunction or damage
Take the SIM card to
your service provider for
testing.
SIM card is inserted improperly.
Insert the SIM card
properly.
SIM card error
Debris on the SIM card contacts
Use a soft and dry cloth
to clean the SIM card
contacts.
SIM card invalid.
Contact your service
provider.
You are not within the services
area of the network.
Check the service area
with your service
provider.
Unable to
connect to the
network.
Poor signal.
Move to an open space,
or if you are inside a
building, move closer to a
window.
You cannot
answer
incoming calls.
You have activated the call barring
feature.
Go to Settings > Call
Settings > SIM1/SIM2
call settings > Call
barring, and then select
Cancel all.
You have activated the call barring
feature.
Go to Settings > Call
Settings > SIM1/SIM2
call settings > Call
barring, and then select
Cancel all.
You cannot
make outgoing
calls.
You have activated the fixed dial
number feature.
Go to Settings > Call
Settings > SIM1/SIM2
call settings > Fixed dial,
and select Off to disable
this feature.
PIN Code is
blocked.
You have entered an incorrect PIN
code three consecutive times.
Contact your service
provider. If the service
provider provides the
PUK code of the SIM
card, use the PUK code to
unlock the SIM card.
Unable to enter
information
into the phone
book.
The memory of the phone book is
already full.
Delete unnescessary data
from the phone book.
Unable to
select certain
features.
Your service provider does not
support these features, or you have
not applied for services that
provide these features.
Contact your service
provider.
8. Appendix II Abbreviations and Explanation
GSM
Global System of Mobile Communication