LG G Vista - Manual (Page 176)

174 Settings
END CALL
Power key ends call: Checkmark to allow you to end voice calls by
pressing the Power/Lock Key (on the back of the phone) instead of
returning to the Call screen to end the call.
OTHERS
DTMF tones: Sets the length of the DTMF tones. Choose Normal or
Long.
Share & connect
DATA/MEDIA SHARE
NFC: Tap the NFC switch to toggle it On or Off. On allows you to send
or receive files simply by bringing your phone and another data-compatible
device together (typically within 20 mm of each other) at the NFC
touchpoint. NFC (Near Field Communication) establishes radio
communication between smartphones and similar devices. NFC will be
turned off automatically when airplane mode activated. Tap NFC to access
the following settings:
Show NFC Security alerts: Checkmark to display a permission alert
when another device tries to send you information via NFC.
Only every 30 days: Checkmark to show NFC security alerts only every
30 days.
Read/Peer to Peer: Checkmark to display a confirmation alert when
receiving a contact or URL via NFC.
Connection handover: Checkmark to display a confirmation alert when
pairing devices via NFC.
NFC sound in call: Checkmark to play the NFC alert sound even while
you're on a call.
Tap & pay: When NFC is turned on, you can use the Tap & pay
feature to pay for items just by touching your phone to a reader at a
register. If your phone doesn’t have a default app, you can browse
Play Store for other payment apps.