I have had the Thunderbolt 3 days. I pressed on the app labeled "voice Dial" and it doesn't work, it only vibrates then brings up suggestions from the contacts list that I have to manually choose. The Verizon tech center near me had a serious bad atttitude and I was told that the device could not voice dial inspite of the icon name. I was clearly frustrated but not impolite or rude.
I called 611 and talked to the tech there and when the person there tried it on her own Thunderbolt she was surprised that it didn't work on hers either. After checking around, she recommended "voice action". I installed it and it worked the first couple of times I used it. After that it acts like it is working, it responds with a message on the screen "dialing home" for instance but just sits there and doesn't actually dial. I tried resetting the phone and it was no help. Even cheap phones have voice dialled for a very long time.
Bottom line, I still have 10 days to return it. I will only keep it if:
1) They solve the voice dial problem. Inspite of all the features it has it still has to function as a phone.
2) I am assured that a longer life battery is a definite in the near future.
Jimbo33