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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. best-secure-messaging-apps-shutterstock-1892950018.jpg The Channel name and bio must be no more than 255 characters long To edit your name or bio, click the Menu icon and select “Manage Channel.” 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.
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