Add up to 50 administrators 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. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. Users are more open to new information on workdays rather than weekends.
from us