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SECTION 17: TROUBLE SHOOTING
To save the time and expense of an unnecessary service call, perform the simple checks in this section before contacting a service
professional.
Your phone cannot be switched ON
Be sure that you press and hold the power button for more than 1 second.
Be sure that the battery is well connected to your phone. Remove the battery, reinstall the battery, and restart your phone.
If power is exhausted, recharge the battery.
Your phone cannot be switched ON, when switching ON your phone, the following messages may appear
Enter the phone lock code. The automatic lock function has been enabled. You must enter the phone lock code before you
can use the phone.
Enter the PIN code. The PIN check feature is enabled. Every time the phone is switched ON, the PIN has to be entered; (If you
are using your phone for the rst time, you must enter the PIN code supplied with the USIM card).
Enter the PUK code. The PIN code has been entered incorrectly three times, and the SIM card is now blocked. Enter the PUK
supplied by your network service provider.
USIM card error
USIM card is contaminated. Clear the metal contact on the USIM card with a clean cloth.
USIM card is not placed properly. Install the USIM card according to the user’s guide.
USIM card is damaged. Contact your network service provider.
Network failure
You may be in a weak signal area. Move to a dierent location with a stronger signal strength.
You are out of network service coverage.
USIM card is invalid. Contact your network service provider.
You have entered a number but it was not dialled
Make sure that you have pressed the dial button.
Make sure your USIM card is valid.
Make sure that you have not set outgoing call barring.
Make sure that you have not set xed dialling.
The quality of your call is poor
Check/adjust the volume.
You are in a weak signal area, such as nearing tall building or in the basement where radio cannot be eciently transferred.
You are using your phone during a busy period, such as commuting period when the lines are too busy to put through.
38


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