Samsung GT-S8530HKAXSG Troubleshooting, Your device displays Service unavailable or Network error

Troubleshooting

When you turn on your device or while you are using the device, it prompts you to enter one of the following codes:

Code	Try this to solve the problem:
	When the device lock feature is
Password	enabled, you must enter the password
	you set for the device.
	When using the device for the first
	time or when the PIN requirement
PIN	is enabled, you must enter the PIN
	supplied with the SIM or USIM card.
	You can disable this feature by using
	the PIN lock menu.

Code	Try this to solve the problem:
	Your SIM or USIM card is blocked,
	usually as a result of entering your PIN
PUK	incorrectly several times. You must
	enter the PUK supplied by your service
	provider.
	When you access a menu requiring the
PIN2	PIN2, you must enter the PIN2 supplied
	with the SIM or USIM card. For details,
	contact your service provider.

Your device displays "Service unavailable" or "Network error"

•When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again.

•You cannot access some options without a subscription. Contact your service provider for more details.

Troubleshooting 127