Telegram Channels requirements & features 5Telegram Channel avatar size/dimensions A new window will come up. Enter your channel name and bio. (See the character limits above.) Click “Create.” 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. Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them.
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