Does the app make use of 3G while the device is connected to a WiFi network? February 05, 2020 09:06 Updated Follow No it doesn't. TeamSpeak does not make use of 3G while connected to a WiFi network. Related articles What is the security level and what does it mean? On Mac OS X my Hotkeys do not work when TeamSpeak does not have the focus Can I use my Bluetooth headset with the TeamSpeak 3 app? Comments 0 comments Please sign in to leave a comment.