Settings
Install
unknown
apps
You
can
allow
installation
of
unknown
third-party
apps
from
selected
apps
or
sources.
1.
From
Settings,
tap
Biometrics
and
security
>
Install
unknown
apps.
2.
Tap
to
allow
installation
from
an
app
or
source.
TIP
Installing
unknown
third-party
apps
could
make
your
device
and
personal
data
more
vulnerable
to
security
risks.
Password
for
factory
data
reset
You
can
require
a
password
to
reset
your
device
to
factory
default
settings.
Options
may
vary
by
carrier.
◌
From
Settings,
tap
Biometrics
and
security
>
Other
security
settings
>
Set
up/change
password
and
enter
a
password.
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
carrier.
◌
From
Settings,
tap
Biometrics
and
security
>
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
Biometrics
and
security
>
Other
security
settings
>
Make
passwords
visible
to
turn
on
the
feature.
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