To upload a logo, click the Menu icon and select âManage Channel.â In a new window, hit the Camera icon. Clear The optimal dimension of the avatar on Telegram is 512px by 512px, and itâs recommended to use PNG format to deliver an unpixelated avatar. 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. In the âBear Market Screaming Therapy Groupâ on Telegram, members are only allowed to post voice notes of themselves screaming. Anything else will result in an instant ban from the group, which currently has about 75 members.
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