Samsung Galaxy A21 Boost Mobile User Manual - Page 124

Security, update, Install, unknown, Encrypt, decrypt

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Settings Security update You can easily check the date of the last installed security software update and find out if newer updates are available. ◌ From Settings, tap Biometrics and security > Security update to see the latest security update installed and check if a newer update is available. 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 an app or source, and then tap Allow from this source. TIP Installing unknown third-party apps could make your device and personal data more vulnerable to security risks. Encrypt or decrypt SD card You can encrypt your optional memory card (not included) to protect its data. This only allows the SD card information to be accessed from your device with a password. 1. From Settings, tap Biometrics and security > Encrypt or decrypt SD card. 2. Tap Encrypt SD card and follow the prompts to encrypt all data on your memory card. NOTE Performing a Factory data reset on your device prevents it from accessing an encrypted SD card. Before initiating a Factory data reset, make sure to decrypt the installed SD card first. Decrypt SD card You can decrypt an optional memory card (not included) if it was encrypted by this device. You may want to decrypt the memory card if you plan to use it with another device or before performing a Factory data reset. 1. From Settings, tap Biometrics and security > Encrypt or decrypt SD card. 2. Tap Decrypt SD card and follow the prompts to decrypt all data on your memory card. 123

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123
Settings
Security
update
You
can
easily
check
the
date
of
the
last
installed
security
software
update
and
find
out
if
newer
updates
are
available.
◌
From
Settings,
tap
Biometrics
and
security
>
Security
update
to
see
the
latest
security
update
installed
and
check
if
a
newer
update
is
available.
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
an
app
or
source,
and
then
tap
Allow
from
this
source
.
TIP
Installing
unknown
third-party
apps
could
make
your
device
and
personal
data
more
vulnerable
to
security
risks.
Encrypt
or
decrypt
SD
card
You
can
encrypt
your
optional
memory
card
(not
included)
to
protect
its
data.
This
only
allows
the
SD
card
information
to
be
accessed
from
your
device
with
a
password.
1.
From
Settings,
tap
Biometrics
and
security
>
Encrypt
or
decrypt
SD
card
.
2.
Tap
Encrypt
SD
card
and
follow
the
prompts
to
encrypt
all
data
on
your
memory
card.
NOTE
Performing
a
Factory
data
reset
on
your
device
prevents
it
from
accessing
an
encrypted
SD
card.
Before
initiating
a
Factory
data
reset,
make
sure
to
decrypt
the
installed
SD
card
first.
Decrypt
SD
card
You
can
decrypt
an
optional
memory
card
(not
included)
if
it
was
encrypted
by
this
device.
You
may
want
to
decrypt
the
memory
card
if
you
plan
to
use
it
with
another
device
or
before
performing
a
Factory
data
reset.
1.
From
Settings,
tap
Biometrics
and
security
>
Encrypt
or
decrypt
SD
card
.
2.
Tap
Decrypt
SD
card
and
follow
the
prompts
to
decrypt
all
data
on
your
memory
card.