Samsung SGH-I320ZKAFTM, SGH-I320ZKAVIA, SGH-I320ZKAXEG manual To the phone’s life or performance

	Troubleshooting
Problem	Description & Solution
White lines	This may happen if you turn on the
appear on the	phone after a long period of disuse, or
display	after removing the battery without
	turning off the phone. This is not related
	to the phone’s life or performance. The
	display should correct itself shortly.
“PIN code”	• You are using your phone for the first
appears	time. You must enter the Personal
	Identification Number (PIN) supplied
	with the SIM card.
	• The PIN check feature has been
	enabled. Each time the phone is
	switched on, the PIN has to be
	entered. To disable this feature, press
	the Start soft key and select Settings
	→ More... → Security → Disable SIM
	PIN, and enter the PIN.
“PUK Required”	The PIN code was entered incorrectly
appears	three times in succession and the SIM
	card is now blocked. Enter the PUK
	supplied by your service provider.
I forgot the lock,	If you forget or lose the lock code,
PIN, initialisation,	contact your phone dealer. If you forget
or PUK codes	or lose a PIN or PUK code, or if you have
	not received such a code, contact your
	network provider. For information about
	passwords, contact your access point
	provider, for example, a commercial
	Internet Service Provider (ISP), service
	provider, or network operator.

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