Samsung Galaxy Note 4 - Manual (Page 190)

Settings 179
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Unknown sources: Tap the check box to enable your phone’s ability to install apps from
sources other than Google Play Store.
Encryption
You can encrypt accounts, settings, downloaded apps and their data, media, and other files. After
encryption, you must enter the PIN, password, or fingerprint you set each time you turn on your
phone. You can also encrypt information stored on an optional installed memory card (not included).
Encryption may take an hour or more to complete. Start with a charged battery, and keep the phone
on the charger until encryption is complete. Interrupting the encryption process may result in the loss
of some or all data.
1. From a Home screen, tap Apps > Settings.
2. Tap Security, and then tap an option:
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Encrypt device: Tap Set screen lock type to start, and then follow the prompts to encrypt
information.
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Encrypt external SD card: Tap Set screen lock type to start, and then follow the
prompts to encrypt information on an optional installed memory card (not included).
Tip: To perform encryption, your battery must be charged to at least 80%. It is best to plug your
phone in and leave it charging during the encryption process.
Passwords
Use the Make passwords visible setting to briefly display password characters as you enter them
into password fields.
1. From a Home screen, tap Apps > Settings.
2. Tap Security, and then tap Make passwords visible to enable the setting.
Security Update Service
Choose options for updating your phone’s security policy.
1. From a Home screen, tap Apps > Settings.
2. Tap Security, and then tap an option:
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Security policy updates: When enabled, your phone will automatically check for changes
to the security policy and download any updates, to improve security and service.
o Tap Automatic updates to enable automatic updating of the security policy when
connected to preferred networks.
o Tap Preferred networks to select an option for downloading security updates.