Samsung Galaxy S II 4G 用户手册
Settings 101
Security
Encryption
As a security measure, you can encrypt the
contents of your phone or an installed memory
card, and require a password each time you turn
on the phone or access the memory card.
contents of your phone or an installed memory
card, and require a password each time you turn
on the phone or access the memory card.
Encryption may take an hour or more to
complete. Start with a charged battery, and
attach the charger until encryption is complete.
Loss of power or other interruption may cause
the loss of some or all data.
complete. Start with a charged battery, and
attach the charger until encryption is complete.
Loss of power or other interruption may cause
the loss of some or all data.
Encrypt device
As a security measure, you can encrypt the
contents of your device and require a password
to access the contents each time you turn it on.
contents of your device and require a password
to access the contents each time you turn it on.
1. From the Home screen, touch
Apps
➔
Settings
➔
Security.
2. Touch Encrypt device to start encryption.
Follow the prompts to complete
encryption.
Encrypt SD card
As a security measure, you can encrypt the
contents of an installed SD card, and require a
password each time you access the card.
contents of an installed SD card, and require a
password each time you access the card.
1. From the Home screen, touch
Apps
➔
Settings
➔
Security.
2. Touch Encrypt external SD card to start
encryption. Follow the prompts to
complete encryption.
Passwords
When enabled, password characters display
briefly as you enter them.
briefly as you enter them.
Press the Power/Lock Key.
– or –
From the Home screen, touch
Apps
➔
Settings
➔
Lock screen
➔
Screen lock,
and select a lock method.
Tip: When the phone is locked, the Emergency call
feature is available on the lock screen, to
allow you to make emergency calls even
while the phone is locked.
allow you to make emergency calls even
while the phone is locked.