Your posting frequency depends on the topic of your channel. If you have a news channel, itโs 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 itโs recommended to use PNG format to deliver an unpixelated avatar. The best encrypted messaging apps Image: Telegram. How to create a business channel on Telegram? (Tutorial)
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