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. Each account can create up to 10 public channels How to create a business channel on Telegram? (Tutorial) Select “New Channel” Members can post their voice notes of themselves screaming. Interestingly, the group doesn’t allow to post anything else which might lead to an instant ban. As of now, there are more than 330 members in the group.
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