The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. To edit your name or bio, click the Menu icon and select โManage Channel.โ Some Telegram Channels content management tips A new window will come up. Enter your channel name and bio. (See the character limits above.) Click โCreate.โ To view your bio, click the Menu icon and select โView channel info.โ
from us
