6How to manage your Telegram channel? 5Telegram Channel avatar size/dimensions Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. A vandalised bank during the 2019 protest. File photo: May James/HKFP. 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.
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