2How to set up a Telegram channel? (A step-by-step tutorial) Channel login must contain 5-32 characters Telegram channels enable users to broadcast messages to multiple users simultaneously. Like on social media, users need to subscribe to your channel to get access to your content published by one or more administrators. A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. The Channel name and bio must be no more than 255 characters long
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