5Telegram Channel avatar size/dimensions To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 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. Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. 1What is Telegram Channels?
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