Samsung GT-P1000/M16 Troubleshooting, Your device displays "Service unavailable" or "Network error, The touch screen responds slowly or improperly, Calls are being dropped

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:
Password	When the device lock feature is enabled, you must
	enter the password you set for the device.
	When using the device for the first time or when the
PIN	PIN requirement is enabled, you must enter the PIN
	supplied with the SIM or USIM card. You can disable
	this feature by using the Lock SIM card menu.
	Your SIM or USIM card is blocked, usually as a result
PUK	of entering your PIN incorrectly several times.
	You must enter the PUK supplied by your service
	provider.
	When you access a menu requiring the PIN2, you
PIN2	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.

The touch screen responds slowly or improperly

If your device has a touch screen and the touch screen is not responding properly, try the following:

•Remove any protective covers from the touch screen. Protective covers may prevent the device from recognising your inputs and are not recommended for touch screen devices.

•Ensure that your hands are clean and dry when tapping the touch screen.

•Restart your device to clear any temporary software bugs.

•Ensure that your device software is upgraded to the latest version.

•If the touch screen is scratched or damaged, take it to your local Samsung Service Centre.

Your device freezes or has fatal errors

If your device freezes or hangs, you may need to close programs or reset the device to regain functionality. If your device is still responsive but a program is frozen, close the program using the task manager. If your device is frozen and unresponsive, press and hold [] for 8-10 seconds. The device will reboot automatically.

If this does not solve the problem, perform a factory data reset. In Menu mode, select Settings → Privacy → Factory data reset → Reset phone →

Erase everything.

Calls are being dropped

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

Troubleshooting 69