Samsung SGH-I780ZKAFPT manual Troubleshooting, Contacting a service centre, Tap Start → Settings →

8 Troubleshooting

If you have trouble with your device, try these procedures before you contact a service professional.

Contacting a service centre

If you have attempted the troubleshooting solution and are still having problems with your device, make a note of the following information and contact your local dealer or Samsung after-sales service:

•Model number(s) of your device

•Serial number(s) of your device

•A clear description of the problem

When contacting Samsung, use the contact phone numbers, web addresses, or postal addresses for your region of residence.

When you try to turn on your device, the following messages may appear:

Message	Try this to solve the
	problem:
The SIM card	Ensure that the SIM card
is missing.	is installed correctly.
Enter PIN.	When using the device for
	the first time or when the
	PIN requirement feature is
	enabled, you must enter
	the PIN supplied with the
	SIM card. To disable the
	PIN requirement feature,
	tap Start → Settings →
	Personal tab → Phone →
	Phone tab, and then clear
	the Require PIN when
	phone is used check
	box.

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