Telegram Android app: Open the chats list, click the menu icon and 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 up to 50 administrators The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. 6How to manage your Telegram channel?
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