Avoid compound hashtags that consist of several words. If you have a hashtag like #marketingnewsinusa, split it into smaller hashtags: β#marketing, #news, #usa. A vandalised bank during the 2019 protest. File photo: May James/HKFP. The Channel name and bio must be no more than 255 characters long Telegram iOS app: In the βChatsβ tab, click the new message icon in the right upper corner. Select βNew Channel.β The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar.
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