Samsung SGH-I550DKWARB manual Troubleshooting, Contacting a service centre, Phone and SIM card

9 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 country of residence.

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

Message	Try this to solve the
	problem:
Insert SIM	Ensure that the SIM card is
card	installed correctly.
Locked	The autolock feature is
	enabled. To use the device,
	you must press <Unlock>
	and enter the code. To
	disable the autolock feature,
	1. Press [ ] → Settings →
	General → Security →
	Phone and SIM card.
	2. Set the Phone autolock
	period to None.

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