11
11-4
Handse
t Se
curity
Setting USIM Lock
Activate this function to require USIM Password
entry to use 820SC with a different USIM Card.
a
c
→
Settings
→
Security
→
USIM lock
b
On
or
Off
c
Enter USIM Password (4 to 8
digits)
→
c
(OK)
●
To set to
On
, enter USIM password (4 to 8
digits) again and press
c
(OK).
Advanced
s
●
Activate or cancel USIM Lock (
Locking & Restricting
Handset Operations
Phone Lock
Activate this function to require Phone Password
entry each time 820SC is powered on.
a
c
→
Settings
→
Security
→
Phone lock
b
On
or
Off
●
USIM Password is dedicated to USIM Card
authentication. If USIM Password matches,
another USIM Card can be used in 820SC.
Change USIM Password each time
USIM lock
is
set to
On
.
●
If you forget USIM Password, insert USIM Card
with
USIM lock
set to
On
and reset all settings
(
