Samsung GH68-03117A - Manual (Page 69)

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The phone starts beeping and “Battery Low”
flashes on the display
• The battery is insufficiently charged. Replace the
battery and recharge it.
The audio quality of the call is poor
• Check the signal strength indicator on the display
( ); the number of bars 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 help 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.
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 menu option. See
page 88 for further details.
PIN
The PIN (Personal Identification Number) protects your
SIM card against unauthorised use. It is usually
supplied with the SIM card. When the PIN Check
feature is enabled (see page 88), you must enter the
PIN each time you switch on the phone.
If you key in an incorrect PIN three times in succession,
key in the PUK and press the
soft key to unlock the
phone. Key in a new PIN and press the soft key.
Key in the new PIN again and press the soft key.
PIN2
The PIN2, supplied with some SIM cards, is required to
access some functions, such as charging unit counters.
These functions are only available if supported by your
SIM card.
If you key in an incorrect PIN2 three times in succession,
key in the PUK2 and press the
soft key to unlock the
phone. Key in a new PIN2 and press the soft key.
Key in the new PIN2 again and press the soft key.