Care And Maintain - Haier HC-C300 User Manual

14. Care And Maintain

If your mobile phone had abnormal conditions, please check it with the following table. If the problem still remains, please ask mobile phone sales
for help.
Common problems
Can not charge
Can not power on
Insert the R-UIM card but can not read
the information in the R-UIM card
Can not make phone call
Weak talk quality
The contact can not get your voice
when making phone call
The screen display the information such
as "No Service"
Check item
Please checks if the charger is properly connect to the phone
and the power source jack.
Please check if the battery level is too low;
Please check if the batter is properly loaded;
Please press Power Key enough time.
Please check if properly inserted the R-UIM card;
Please check if your R-UIM card is valid.
Please check if the phone number is valid.
Please check if you are in service area.
Please check if the phone signal is strong enough;
If you are in the building, please move the phone or move
near the window.
Please check if your mike has blocked by fittings or other
blocks.
Please check if you are in a weak signal area (in the channel
or surround by buildings), change the area and retry. Please
check if you can try to get the services without the service
provider permission. If needed the service, please contact the
service provider for more information.