Help May VoLTE ba ang B818-263?

[magbuhosjamescarlo]

Planning to get the B818-263, but not sure if working ba VoLTE, need ko din kasi ng calls while surfing. (Working sya sa Mamba, dunno lang talaga sa B818)
Baka naman merong B818-263 user dito, puwede makapag try. TY