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Samsung Galaxy A23 5G 4/128GB User Manual page 126

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Settings
Install unknown apps
You can allow installation of unknown third-party apps from selected apps or
sources.
  1. From Settings, tap
  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.
Encrypt 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
  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.
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
Set  up/change password and enter a password.
Biometrics and security > Install unknown apps.
Biometrics and security > Encrypt SD card.
Biometrics and security > Other  security settings >
125

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