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. Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.” With the “Bear Market Screaming Therapy Group,” we’ve now transcended language. How to build a private or public channel on Telegram?
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