It's only working when our phone gets in low network zone. I am
currently in my office basement in mumbai and the VOWIFI is working
smooth and properly. The only drawback is when you enable wifi-calling
the rich enhance messaging service which i am g...
nhi bro developer **bleep** hai.. R&D Institute is not offical.. find
the Samsung Electronics developer which is genuine.. you can also see by
downloads of app its only 4375 which is really a funny thing.. beacuse
it can't be use by this less amount ...