The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. How to create a business channel on Telegram? (Tutorial) To delete a channel with over 1,000 subscribers, you need to contact user support Invite up to 200 users from your contacts to join 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 โInvite.โ You can skip this step altogether.
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