5Telegram Channel avatar size/dimensions How to Create a Private or Public Channel on Telegram? 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. Channel login must contain 5-32 characters
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