![Set up SIM card lock](/images/backgrounds/12/12303x1.webp)
Settings
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 service provider.
◌From Settings, tap 0 Security and privacy > 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 0 Security and privacy > 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 0 Security and privacy > Other security settings > Device admin apps.
2.Tap an option to turn it on as a device administrator.
Credential storage
You can manage the trusted security certificates installed on your device, which verify the identity of servers for secure connections.
◌From Settings, tap 0 Security and privacy > Other security settings for the following options:
•View security certificates: Display the certificates on your device.
•User certificates: View user certificates that identify your device.
•Install from device/phone storage: Install a new certificate from storage.
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