Lock Keypad; Power Off - Premier CEL-4456TV Manual De Instrucciones

Lock keypad

Select this function to lock keypad. When the keypad is locked, you can press right soft key then space
key to unlock keypad.

Power off

Select this function to power off the mobile phone. When the phone is powered off, you can long press
end key to power on it.
Appendix 1 Troubleshooting
If you find exceptions when operating the mobile phone, restore the factory settings and then refer to the
following table to solve the problem. If the problem persists, contact the distributor or service provider.
Fault
SIM card
error
Poor received
signal quality
Appendix
Cause
The SIM card
is damaged.
The SIM card
is not in
position.
The metal
face of the
SIM card is
polluted.
Signals are
obstructed.
For instance,
radio waves
cannot be
Move to a place where signals can be effectively
effectively
transmitted
nearby a
high building
or in a
basement.
Line
congestions
occur when
you use the
Avoid using the mobile phone in high-traffic hours
mobile
phone in
high-traffic
hours
Solution
Contact your network service provider
Check the SIM card
Clean the SIM card with a clean cloth
transmitted
P-17