LG K4 LTE
LG K4 - Turn Video Call On / Off - HD Voice
LG K4™ - Turn Video Call On / Off - HD Voice
HD Voice isn't recommended if you use a 1X/3G Network Extender or a TTY/TDD device.
HD Voice on the smartphone must be turned on if you use a 4G Network Extender.
From a Home screen, tap
If unavailable, navigate:
(located in the upper-right).
to turn on
Review the disclaimer regarding billing and data usage. When video calling is turned on, others can see that the phone has Video Calling.
For additional info, see these
HD Voice FAQs
HD Voice/Video Calling