Samsung SGH-T408 - Manual (Page 73)

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Reference Information
Access Codes
There are several access codes that are used by your
phone and its SIM card. These codes help you protect
the phone against unauthorised use.
The access codes (except for the PUK and PUK2
codes) can be changed using the Security Settings
menu (5-3) options. See page 106 for further details.
Phone Password
This security code can be used to avoid unauthorised
use of the phone. The security code 0000 is the
factory default setting but you are advised to change
the security code before you start using your phone.
Keep the new code secret and in a safe place, which
is separate from the phone.
If you key in an incorrect security code five times in
succession, the phone will not accept the correct code
for the next five minutes.
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The phone starts beeping and “**Warning**
Battery Low” flashes in the display
• The battery is insufficiently charged. Replace the
battery and recharge it or connect the battery
charger.
The audio quality of the call is poor
• Check the signal strength indicator in the display
( ); the number of bars after it indicates the
signal strength from strong (
) to weak ( ).
• Try moving the phone slightly or moving closer to
a window if you are in a building.
No number is dialled when you recall a
phonebook entry
• Check that the numbers have been stored
correctly, by using the Phonebook Search feature.
• Re-store them, if necessary.
If the above guidelines do not enable you to solve
the problem, take a note of:
• The model and serial numbers of your phone
• Your warranty details
• A clear description of the problem
Then contact your local dealer or SAMSUNG
after-sales service.