The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. But a Telegram statement also said: "Any requests related to political censorship or limiting human rights such as the rights to free speech or assembly are not and will not be considered." To edit your name or bio, click the Menu icon and select โManage Channel.โ The best encrypted messaging apps Some Telegram Channels content management tips
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