I just purchased a S7, I do not see where there is an option for speech/voice to text on my apps, such as messenger, or viber, or whatsapp. I there a setting I need to find? I see you can text to voice…but, I want the other way around. Thank you.
Tap and hold the key directly to the left of the spacebar. Do you see the option to select the microphone:
PDF of user manual is also an excellent source of information that may help you in the future.