LG G3 Vigor - Manual (Page 165)

Settings 156
Voice Clarity
You can set the phone to enhance voice clarity in noisy environments so you can hear more clearly.
To set noise reduction:
1. Tap > > Settings > Call.
2. Tap the Voice clarity checkbox to turn it on. (A blue checkmark will appear.)
Save Unknown Numbers
You can set the phone to save the phone numbers not saved in Contacts yet.
To save unknown numbers:
1. Tap > > Settings > Call.
2. Tap the Save unknown numbers checkbox to turn it on. (A blue checkmark will appear.)
Power Key Ends Call
You can set the phone to end calls with Power/Lock Button , in addition to on the call
screen.
To set to end calls with Power button:
1. Tap > > Settings > Call.
2. Tap Power key ends call to enable it. (A blue checkmark will appear.)
Roaming Settings
With your phone and global roaming service from Sprint Worldwide℠ Wireless Service, you can
make phone calls and use wireless data services around the globe on compatible CDMA and
GSM/UMTS networks.
Roaming Icon
Your display screen always lets you know when you’re off the Nationwide Sprint Network.