To edit your name or bio, click the Menu icon and select “Manage Channel.” 5Telegram Channel avatar size/dimensions Invite up to 200 users from your contacts to join your channel Telegram Android app: Open the chats list, click the menu icon and select “New 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.
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