Channel login must contain 5-32 characters 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. 1What is Telegram Channels? To edit your name or bio, click the Menu icon and select “Manage Channel.” When choosing the right name for your Telegram channel, use the language of your target audience. The name must sum up the essence of your channel in 1-3 words. If you’re planning to expand your Telegram audience, it makes sense to incorporate keywords into your name.
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