AT&T U318AA - Device Admin Apps; SIM Card Lock; Encryption & Credentials

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Device admin apps
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Security > Device admin apps.
3. Enable or disable Device admin apps according to your preference.
SIM card lock
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Security > SIM card lock.
• Slide the Lock SIM card switch to the On position to enable SIM card
lock. SIM lock will require you to enter a PIN to use your device.
• Tap Change SIM PIN to change the PIN code.
Encryption & credentials
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Security > Encryption & credentials.
• Encrypt phone: Your phone is already encrypted.
• Storage type: Your phone’s credential storage type is hardware-backed.
• Trusted credentials: Tap to view trusted security certicates.
• User credentials: Tap to view and modify stored credentials.
• Install from SD card: Tap to install certicates from the SD card.
• Clear credentials: Tap to remove all certicates.