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Handset Settings
Main Security Codes
The following are main security codes required for handset use.
Center Access Code A four-digit code set in subscription contract.
See "Center Access Code" for details.
SIM PIN A code for SIM Card. SIM PIN is 9999 by default
(change as needed).
See "Enabling SIM PIN" for details.
Lock No. (PIN) A code for unlocking screen.
See "Requiring Lock No. (PIN) Entry for
Unlocking Screen" for details.
Center Access Code
Center Access Code is a four-digit code set in subscription contract; necessary to use optional
services from landlines, etc.
Do not forget Center Access Code. If you forget the code, contact us for recovery. For details,
contact Customer Service.
Be careful not to reveal security codes to others. If misused by others, SoftBank Corp. is not
liable for any resulting damages.
Enabling SIM PIN
When SIM PIN is enabled, PIN entry is required for handset use each time handset is powered on
with SIM Card installed. It is effective for preventing unauthorized use by others.
In Home Screen, (Settings) Security
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