Today, we will address Telegram channels and how to use them for maximum benefit. Unlimited number of subscribers per channel Channel login must contain 5-32 characters Telegram desktop app: In the upper left corner, click the Menu icon (the one with three lines). Select “New Channel” from the drop-down menu. 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