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. fire bomb molotov November 18 Dylan Hollingsworth yau ma tei Invite up to 200 users from your contacts to join your channel 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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