We've simplified the configuration steps for adding accessory and mapping device buttons beginning with Android version 3.67+
On Android devices, you are able to map any hardware key as a PTT key. Please note that the Talk Screen must be in the foreground for the button to work.
To make this seamless, make sure you are allowing Zello to unlock the phone and automatically selecting a contact. Here's how: Can Zello unlock my Android?
To map a hardware button on Android, like the volume up key:
1. Go to the Zello menu>Options>Push-to-talk buttons
2. Tap "Add button" and press the button on the device. Done!
Questions? Email email@example.com for more information