Write your hashtags in the language of your target audience. 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. The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” To edit your name or bio, click the Menu icon and select “Manage Channel.”
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