Samsung Galaxy S21 FE 5G T-Mobile User Manual - Page 139
Password for factory data reset, Set up SIM card lock, View passwords, Device administration
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Settings 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 Biometrics and security > Other security settings > Set up/change 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 in another device. Options may vary by carrier. ◌ From Settings, tap Biometrics and security > Other security settings > Set up SIM card lock 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 Biometrics and security > Other security settings > Make passwords visible to turn on the feature. Device administration You can authorize security features and apps 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. 139