5Telegram Channel avatar size/dimensions Telegram users themselves will be able to flag and report potentially false content. 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. 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. Write your hashtags in the language of your target audience.
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