The Channel name and bio must be no more than 255 characters long To view your bio, click the Menu icon and select “View channel info.” Add the logo from your device. Adjust the visible area of your image. Congratulations! Now your Telegram channel has a face Click “Save”.! 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." 2How to set up a Telegram channel? (A step-by-step tutorial)
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