Sony Ericsson xperia acro is11s Benutzerhandbuch

3

Notes on Cell Phone Use

You can use a security code and other passwords 
described below.
Take care not to forget your security code and passwords, 
because they are required for performing various 
operations and using subscription services.

Usage 
Example

① Using the Answering Service (Voice 

Mail) and Call Transfer remotely from a 
fixed-line phone

② Making inquiries, applications, and 

changes while using au Customer 
Service Center voice guidance, au web 
pages

Initial Setting

The four-digit number you wrote on your 
subscription form

Usage

Setting/canceling  screen lock

Default value

None

Usage

Preventing unauthorized use of au IC-
Card

Default value

1234

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