The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. βBanβ on Telegram A new window will come up. Enter your channel name and bio. (See the character limits above.) Click βCreate.β Telegram iOS app: In the βChatsβ tab, click the new message icon in the right upper corner. Select βNew Channel.β Users are more open to new information on workdays rather than weekends.
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