How to Create a Private or Public Channel on Telegram? It’s easy to create a Telegram channel via desktop app or mobile app (for Android and iOS): 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. Telegram offers a powerful toolset that allows businesses to create and manage channels, groups, and bots to broadcast messages, engage in conversations, and offer reliable customer support via bots. Each account can create up to 10 public channels
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