Security, Lock phone, Unlock — unlocks the phone – Samsung SCH-u420 User Manual
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Section 13
Security
Use the Security menu to lock your phone, set up
emergency numbers, enable or disable voice privacy,
set restrictions, as well as other security options.
Lock Phone
Locking the phone limits all outgoing calls except calls
to 911 emergency and the three user-programmable
emergency numbers. You can lock the phone manually
during use, or set the phone to lock automatically when
it is turned on. With the phone in lock mode, you can
answer incoming calls, but you must unlock the phone
to place outgoing calls (except to emergency and secret
numbers).
1. In standby mode, press the Menu (left) soft key (
),
then press
(for Settings),
(for
Phone
Settings), and
for Security. You’re prompted to
enter the lock code.
Note: The default lock code is the last four digits of your telephone number.
2. Press
for
Lock Phone. The following Device Lock
Mode options appear in the display:
ⅷ
Lock — Locks the phone immediately (The phone stays
locked until you enter the lock code.)
ⅷ
Unlock — Unlocks the phone
ⅷ
On Power up — The phone locks automatically the next time
your phone is powered ON (The phone stays locked until you
enter the lock code.)
3. Use the navigation keys to highlight the Device Lock
Mode option of your choice.
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