To edit your name or bio, click the Menu icon and select βManage Channel.β How to Create a Private or Public Channel on Telegram? Select: Settings β Manage Channel β Administrators β Add administrator. From your list of subscribers, select the correct user. A new window will appear on the screen. Check the rights youβre willing to give to your administrator. The Channel name and bio must be no more than 255 characters long The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar.
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