To edit your name or bio, click the Menu icon and select “Manage Channel.” Invite up to 200 users from your contacts to join your channel 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. Each account can create up to 10 public channels The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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