Clarity not available 用户手册
51
Troubleshooting
Problem:
SIM card error.
Reason:
SIM damaged.
Reason:
SIM card not setup correctly.
Reason:
SIM card dirty.
Solutions:
• Contact the network provider.
• Check the SIM card settings, and clean
the card.
• Check the SIM card settings, and clean
the card.
Problem:
Weak, interrupted, or no
signal.
Reason:
Signal strength can be affected
by obstructions such as high buildings,
or confinements such as basements and
subways.
or confinements such as basements and
subways.
Solution:
Move to a more open area.
Problem:
Phone will not Power ON.
Reason:
Battery uncharged, used-up,
or defective.
Solutions:
• Charge battery.
• Replace battery.
• Replace battery.
Problem:
Phone will not connect a call.
Reason:
Barring function is activated.
Solution:
Cancel barring dialing function.
Problem:
No connection to network.
Reason:
SIM is invalid or defective.
Reason:
Out of GSM service area.
Reason:
Weak, interrupted, or no
signal.
Solutions:
• Contact the network provider.
• Move the phone into the GSM
service area.
• Try connecting again in a better
signal environment.
• Move the phone into the GSM
service area.
• Try connecting again in a better
signal environment.
Problem:
Phone will not charge.
Reason:
Voltage is unsuitable.
Reason:
Non-standard charger.
Reason:
Not connected.
Solutions:
• Use the recommended voltage.
• Use the factory supplied charger.
• Check connections at AC power
outlet, and at the phone.
• Use the factory supplied charger.
• Check connections at AC power
outlet, and at the phone.