Here you can find instructions to make video calls on HTC devices

HTC Dream HTC Dream
HTC Desire 10 Compact HTC Desire 10 Compact
HTC U11 Life HTC U11 Life
HTC Desire 600 dual sim HTC Desire 600 dual sim
HTC J Butterfly HTC J Butterfly
HTC One M9e HTC One M9e
HTC Desire 550 HTC Desire 550
HTC Desire 400 dual sim HTC Desire 400 dual sim
HTC One M8 Prime HTC One M8 Prime
HTC Evo 4G+ HTC Evo 4G+
HTC J HTC J
HTC Desire 601 LTE HTC Desire 601 LTE
HTC Desire 516 HTC Desire 516
HTC Desire 820s HTC Desire 820s
HTC Desire 826 HTC Desire 826
HTC One SC HTC One SC
HTC Desire 626G HTC Desire 626G
HTC Desire C HTC Desire C
HTC Desire 628 HTC Desire 628
HTC Butterfly 2 HTC Butterfly 2