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. Your posting frequency depends on the topic of your channel. If you have a news channel, it’s OK to publish new content every day (or even every hour). For other industries, stick with 2-3 large posts a week. Telegram message that reads: "Bear Market Screaming Therapy Group. You are only allowed to send screaming voice notes. Everything else = BAN. Text pics, videos, stickers, gif = BAN. Anything other than screaming = BAN. You think you are smart = BAN. To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 4How to customize a Telegram channel?
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