Samsung SM-T537R4, Руководство пользователя

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Solve problems
Help and personal needs
To save the time and expense of an unnecessary service call, perform the simple checks
in this section before contacting a service professional.
When you switch on your device, the following messages may appear:
“Insert USIM card”
• Be sure that the USIM card is correctly installed.
“Device locked Enter password”
• The automatic locking function has been enabled. You must enter the device’s
password before you can use the device.
“Enter PIN1”
• You are using your device for the first time. You must enter the PIN1 supplied with the
USIM card.
• The PIN1 Check feature is enabled. Every time the device is switched on, the PIN1 has
to be entered. To disable this feature, use the PIN check menu.
“Enter PUK”
• The PIN1 code has been entered incorrectly three times in succession, and the device
is now blocked. Enter the PUK1 supplied by your service provider.
“No Service” “Network Failure,” or “Not Done” displays
• The network connection has been lost. You may be in a weak signal area. Move and try
again.
• You are trying to access an option for which you have no subscription with your
service provider. Contact the service provider for further details.