The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. The Channel name and bio must be no more than 255 characters long Clear Image: Telegram. In the βBear Market Screaming Therapy Groupβ 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.
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