User manual

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When you enable "Send SOS Message", you can choose to send an SOS
message to the emergency contact that indicates your current location,
includes pictures of surroundings or a 5-second audio recording.
Privacy Password
A privacy password is used to protect your personal privacy. When
Privacy Password is on, the passcode will be used for verification in App
Encryption.
Set Privacy Passcode
Go to [Settings] > [Fingerprint, Face & Password].
Tap "Privacy Password" and Tap "Turn on Privacy Password".
You can choose a pattern password, 4-bit, 6-bit, 4-16 bit digital
password, or 4-16 bit alphanumeric password combination.
After finishing responding to security questions, tap "Done" in the
top right corner.
You can also bind a security email address.