2How to set up a Telegram channel? (A step-by-step tutorial) How to build a private or public channel on Telegram? Done! Now you’re the proud owner of a Telegram channel. The next step is to set up and customize your channel. The Channel name and bio must be no more than 255 characters long Telegram iOS app: In the “Chats” tab, click the new message icon in the right upper corner. Select “New Channel.”
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