Settings
Set
up
SIM
card
lock
You
can
set
up
a
PIN
to
lock
your
SIM
card,
which
prevents
unauthorized
use
of
your
SIM
card
if
someone
attempts
to
use
it
in
another
device.
Options
may
vary
by
service
provider.
◌
From
Settings,
tap
Security
and
privacy
>
Other
security
settings
>
Set
up
SIM
card
lock
and
follow
the
prompts.
•
Tap
Lock
SIM
card
to
turn
on
the
feature.
•
Tap
Change
SIM
card
PIN
to
create
a
new
PIN.
View
passwords
You
can
have
characters
displayed
briefly
in
password
fields
as
you
type
them.
◌
From
Settings,
tap
Security
and
privacy
>
Other
security
settings
>
Make
passwords
visible
to
turn
on
the
feature.
Device
administration
You
can
authorize
security
features
and
apps
to
have
administrative
access
to
your
device.
1.
From
Settings,
tap
Security
and
privacy
>
Other
security
settings
>
Device
admin
apps.
2.
Tap
an
option
to
turn
it
on
as
a
device
administrator.
Credential
storage
You
can
manage
the
trusted
security
certificates
installed
on
your
device,
which
verify
the
identity
of
servers
for
secure
connections.
◌
From
Settings,
tap
Security
and
privacy
>
Other
security
settings
for
the
following
options:
•
View
security
certificates:
Display
the
certificates
on
your
device.
•
User
certificates:
View
user
certificates
that
identify
your
device.
•
Install
from
device/phone
storage:
Install
a
new
certificate
from
storage.
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