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. Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.” Each account can create up to 10 public channels End-to-end encryption is an important feature in messaging, as it's the first step in protecting users from surveillance. Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value.
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