The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. How to create a business channel on Telegram? (Tutorial) To edit your name or bio, click the Menu icon and select βManage Channel.β Your posting frequency depends on the topic of your channel. If you have a news channel, itβs OK to publish new content every day (or even every hour). For other industries, stick with 2-3 large posts a week. How to create a business channel on Telegram? (Tutorial)
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