A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar. It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether.
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