Zte F100 User Manual page 51

ZTE F100 User Manual
Problem
• (U)SIM card malfunction or damage.
(U)SIM card
• (U)SIM card inserted improperly.
error
• Debris on the (U)SIM card contacts.
• (U)SIM card invalid.
• You are not within the network‟s service
Unable to
connect to the area.
network.
• Poor signal.
You cannot You have activated the Call Barring
answer incoming feature.
calls.
• You have activated the Call Barring
feature.
You cannot make
outgoing calls.
• You have activated the Fixed Dial
Number feature.
You have entered an incorrect PIN code
PIN Code is
three consecutive times.
blocked.
The phone book‟s memory is already full.
Unable to enter
information into
the phone book.
Possible causes
Confidential and Proprietary Information of ZTE CORPORATION 51
Possible solution
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 > Call barring, and then
select Cancel all call barring.
Go to Settings > Call > Call barring, and then
select Cancel all call barring.
Go to Settings > Security > Fixed dial
numbers and select Off to turn this feature off.
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.