Samsung Galaxy Note 20 5G - Set up SIM card lock; View passwords; Device administration

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.
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From Settings, tap Biometrics and security > Other security settings > Set up
SIM card lock and follow the prompts.
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Tap Lock SIM card to turn on the feature.
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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.
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From Settings, tap Biometrics and security > Other security settings >
Make passwords visible to turn on the feature.
Device administration
You can authorize security features and apps (like Find My Mobile) to have
administrative access to your device.
1.
From Settings, tap Biometrics and security > Other security settings >
Device admin apps.
2. Tap an option to turn it on as a device administrator.
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Settings