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. Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. The Channel name and bio must be no more than 255 characters long The main design elements of your Telegram channel include a name, bio (brief description), and avatar. Your bio should be:
from us