Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” 4How to customize a Telegram channel? Step-by-step tutorial on desktop: 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.
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