Nokia 7250i ユーザーズマニュアル

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The security level determines your access to features when a nonowner SIM 
card is used. A nonowner SIM card is one (other than the original) that is 
inserted after you power off the phone. There are three security levels:

Off—Owner and Nonowner cards are treated the same.

Memory—Nonowner cards can access SIM memory. Any changes to the 
memory setting requires the security code.

The owner card has access to all features, but the security code is required 
to change a memory setting.

Phone—The security code is required upon power-up.

Use this procedure to set your security level.

From the menus, select Settings > Security settings > Security level. 

After a brief pause, you are prompted to enter the security code. 

 

The default code is 12345. 

Enter the security code and select OK. 

Select Off, Memory, or Phone. 

A message appears in the display confirming your selection

With the following access codes, you can keep your information safe:

•

Security code (4–8 digits)

•

PIN code and PIN2 code (4–8 digits)

•

PUK code and PUK2 code (8 digits)

•

Call barring password (4 digits)

•

Wallet code (4–10 digits)

Note: Avoid using codes similar to emergency numbers such as 
911 to prevent accidental dialing of the emergency number.