Other Security Settings
You can configure other security settings, including encryption and
certificates.
Encrypt Your Data
Require a numeric PIN or password to decrypt your device each
time you power it on.
1. From a Home screen, tap
2. Tap Lock screen and security > Other security settings >
Encrypt phone for options:
•
Tap Encrypt phone and follow the prompts to encrypt all
data on your device.
•
Tap Encrypt external SD card to encrypt data on a
memory card (not included).
Settings
Apps >
Settings.
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Lock Screen and Security