In this article, we'll show you how to use voice chat in Discord on your Android device.
Steps

Step 1. Launch Discord
Click on the icon in the form of a white gamepad on a blue background; it's on your home screen or app drawer.
If you haven't logged in yet, please do so now with your credentials

Step 2. Tap ☰
You will find this icon in the upper left corner.

Step 3. Select a server
The server list is in the left pane. Click on the server icon to view the available channels.

Step 4. Select a voice channel
They are displayed in the "Voice Channels" section.

Step 5. Tap Connect
You will be connected to the channel and taken to the home page.
A green dot will appear next to the voice channel, which means that you have successfully connected to this channel

Step 6. Click Settings to change your voice chat options
It's at the bottom of the screen. The voice chat options are displayed, namely volume level, noise suppression, echo cancellation, microphone sensitivity and gain level.