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. In the “Bear Market Screaming Therapy Group” on Telegram, members are only allowed to post voice notes of themselves screaming. Anything else will result in an instant ban from the group, which currently has about 75 members. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.”
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