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انجمن علمی ریاضی دانشگاه بوعلیسینا Telegram News
The visual aspect of channels is very critical. In fact, design is the first thing that a potential subscriber pays attention to, even though unconsciously. Select “New Channel” A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. 1What is Telegram Channels? The optimal dimension of the avatar on Telegram is 512px by 512px, and it’s recommended to use PNG format to deliver an unpixelated avatar.
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