"OK Google" works on my Galaxy S5 with my screen off. S Voice only works if the app is opened and you say Hi Galaxy to turn the mic on. I am surprised at how well Google voice works. Update: From lock screen "OK Google" then saying Calculator" says in a small window "Received possible commands Calculator" but didn't unlock the screen which I have just set to swipe unlock. When I swipe and unlock sure enough there is the calculator.
I assume you guys mean it's not working when you've double tapped the home button i.e. are in the S voice screen?
Mine seems to be working, once I'm in S Voice, if I say "Hi Galaxy", the mic becomes active.
If you put it in car mode you won't be able to go on the net. Car mode is for driving . To this day, I've only been able to use the wake up when I m already in the app. Maybe it was designed that way. I talked to my Samsung rep he was not aware of the feature....might as well be htc rep for all he knew...I would switch to google now if it worked in French for all the features
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