The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. A vandalised bank during the 2019 protest. File photo: May James/HKFP. 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. To edit your name or bio, click the Menu icon and select โManage Channel.โ With Bitcoin down 30% in the past week, some crypto traders have taken to Telegram to โvoiceโ their feelings.
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