To upload a logo, click the Menu icon and select “Manage Channel.” In a new window, hit the Camera icon. 2How to set up a Telegram channel? (A step-by-step tutorial) 5Telegram Channel avatar size/dimensions Select “New Channel” 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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