5Telegram Channel avatar size/dimensions Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.” Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” 2How to set up a Telegram channel? (A step-by-step tutorial) 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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