Channel login must contain 5-32 characters Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New 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. Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! Telegram Android app: Open the chats list, click the menu icon and select “New Channel.”
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