30
TTY HCO, TTY VCO.
• RTT mode: Press the Center Soft Key to turn on/off RTT calls.
• Audio adjustment: Press the Center Soft Key to turn on/off Mono
audio. Press Navigation Key (Left, Right) to modify audio balance.
10.8
Privacy & Security
a) Lock/Unlock your screen
To protect your phone and privacy, you can lock the phone screen by
creating a password.
•
From the Home Screen, press the Center Soft Key , select
Settings > Privacy & security > Screen lock. Select Pin to set lock
password. Select None to cancel PIN locking.
b) Device admin apps
Activating this admin app will allow the app file manager to perform the
following operations:
•
Change the screen lock
•
Set password rules
•
Lock the screen
c) SIM Security
A SIM PIN prevents access to the SIM card cellular data networks. When it’s
enabled, any device containing the SIM card will request the PIN upon
restart. A SIM PIN is not the same as the lock code used to unlock the
device.
10.9
Software Update
To access Software Updates, follow the steps below:
•
Connect your device to a Wi-Fi network and make sure it has a strong
data connection.
•
Ensure your battery is fully charged before starting the software update.
Your device’s current battery level can be found on your device under
Settings > Software Update > Check for updates
•
When there is a new mandatory software update version available, the
phone will start downloading automatically. Select Continue to update
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