Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! 5Telegram Channel avatar size/dimensions 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 Your posting frequency depends on the topic of your channel. If you have a news channel, it’s OK to publish new content every day (or even every hour). For other industries, stick with 2-3 large posts a week.
from us