
M307S User Guide
13.2 Currency converter
Use the menu to convert the currency. Write the currency rate, press LSK to write the
amount of local currency and press LSK.
14. Services
Allow you view the contents provided by your SIM card service and internet service.
15. Shortcuts
Use this menu to set the shortcuts.
16. Care and maintenance
If your mobile phone has abnormal conditions, please check it with the following table. If
the problem still remains, please ask mobile phone after sales for help.
Common problems
Check item
Cannot charge
Please check if the charger is properly connected to the phone
and the power source jack.
Cannot power on
Please check if the battery level is too low;
Please check if the battery is properly loaded;
Please press power key for enough time.
Insert the SIM card
but cannot read the
information in the
SIM card
Please check if the SIM card is properly inserted;
Please check if your SIM card is valid.
Cannot make phone
call
Please check if the phone number is valid.
Please check if you are in service area.
Poor voice quality
Please check if the phone signal is strong enough.
If you are in a building, please move near the window.
The contact cannot
get your voice during
the phone call
Please check if your mike is blocked by fittings or other blocks.
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