Polls Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! 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. 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. Channel login must contain 5-32 characters
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