Samsung SGH-I637MAAATT User Manual
Page 27

Understanding Your Phone 23
Locking the Phone
You can protect your phone using the Device Lock feature. Once
the feature is enabled, your phone is automatically locked after
the specified period of inactivity.
Note: Even if the phone is locked, you are able to receive calls.
To lock the phone:
1.
On the Home screen, select Start
➔
More
➔
More
➔
Settings
➔
More...
➔
Security
➔
Device Lock and press the
key.
2.
Select Prompt if device unused for and select a length of
time the phone waits for before locking itself when it is not
in use. Press the
key to mark the checkbox.
Note: You will be prompted to create a password the first time this feature is
enabled.
3.
Scroll to the Password type field and select a password
type.
• Simple PIN: Use a numeric password. A password must be more
than 4 characters.
• Strong alphanumeric: use an alphanumeric password. A
password must be more than 7 characters and contain at least 3 of
uppercase and lowercase letters, numbers, or punctuation marks.
4.
Enter a password in the Password field.
5.
Re-enter the same password in the Confirm password field
for confirmation.
6.
Press the Done soft key.
7.
Press the Yes soft key to confirm your changes.
Locking the SIM Card
When SIM Lock is enabled, your phone works only with the
current SIM card. To use another SIM card, you must enter the
SIM lock password.
1.
On the Home screen, select Start
➔
More
➔
More
➔
Settings
➔
More...
➔
Security
➔
Enable SIM Lock and press
the
key.
2.
Enter a password for your SIM card and press the Done
soft key.
3.
Re-enter the password for confirmation and press the
Done soft key.
i637.book Page 23 Monday, April 20, 2009 10:19 AM