How to build a private or public channel on Telegram? fire bomb molotov November 18 Dylan Hollingsworth yau ma tei Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! Channel login must contain 5-32 characters 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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