Instructions to make video calls on HTC devices

HTC Desire 12s HTC Desire 12s
HTC Exodus 1 HTC Exodus 1
HTC U12 life HTC U12 life
HTC U12+ HTC U12+
HTC Desire 12+ HTC Desire 12+
HTC Desire 12 HTC Desire 12
HTC U11 Eyes HTC U11 Eyes
HTC U11+ HTC U11+
HTC U11 Life HTC U11 Life
HTC One (M8i) HTC One (M8i)
HTC One M8 Prime HTC One M8 Prime
HTC Primo HTC Primo
HTC Zeta HTC Zeta
HTC Ville HTC Ville
HTC Desire HD2 HTC Desire HD2
HTC A12 HTC A12
HTC Dream HTC Dream
HTC Magic HTC Magic
HTC Hero HTC Hero
HTC Hero CDMA HTC Hero CDMA