On desktop

Go on “Networks” and select Custom RPC

Enter the following details:

• Network name: Avalanche

• New RPC URL: https://api.avax.network/ext/bc/C/rpc

• Chain ID: 0xa86a

• Symbol: AVAX

• Block explorer URL: https://avascan.info/blockchain/c/

On mobile

Go on “Settings” > “Networks” > and select “Add Network”

Enter the following:

• Network name: Avalanche

• New RPC URL: https://api.avax.network/ext/bc/C/rpc

• Chain ID: 0xa86a

• Symbol: AVAX

• Block explorer URL: https://avascan.info/blockchain/c

Then click "Add".