5Telegram Channel avatar size/dimensions 4How to customize a Telegram channel? How to Create a Private or Public Channel on Telegram? Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether.
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