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. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. With the “Bear Market Screaming Therapy Group,” we’ve now transcended language. To delete a channel with over 1,000 subscribers, you need to contact user support
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