Content is editable within two days of publishing The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be: To view your bio, click the Menu icon and select “View channel info.” 2How to set up a Telegram channel? (A step-by-step tutorial) 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.
from us