Factory Data Reset Password; Set Up Sim Card Lock; View Passwords; Security Update Service - Samsung Galaxy J3 User Manual

Settings
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
2. Tap Decrypt SD card and follow the prompts to decrypt all data on your memory
card.

Factory data reset password

You can require a password to reset your device to factory default settings.
◌
From Settings, tap
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 another device.
◌
From Settings, tap
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
visible to turn on the feature.

Security update service

You can set your device to automatically check for security updates.
◌
From Settings, tap
policy updates to check for security updates.
Security > Decrypt SD card.
Security > Other security settings > Set up/change
Security > Other security settings > Set up SIM card lock
Security > Other security settings > Make passwords
Security > Other security settings, and then tap Security
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