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. Channel login must contain 5-32 characters Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! Concise 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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