Spotify says users on iPhone will no longer be able to control the volume of connected devices using their physical volume buttons after Apple "discontinued" the technology that enables the ...

You can adjust the volume on a Google Hangouts call simply by adjusting the volume of the device you're using — there's no volume button in Google Hangouts itself. Google Hangouts does let you mute ...

hand holding a phone with cover on, showing the volume button - abdallah abdelal/Shutterstock While your smartphone is probably the gadget that you use the most, there are several little hidden ...

While your smartphone is probably the gadget that you use the most, there are several little hidden features that you might have overlooked. Whether it is Android's privacy feature that lets you ...