How to Create a Private or Public Channel on Telegram? The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar. To edit your name or bio, click the Menu icon and select βManage Channel.β The creator of the channel becomes its administrator by default. If you need help managing your channel, you can add more administrators from your subscriber base. You can provide each admin with limited or full rights to manage the channel. For example, you can allow an administrator to publish and edit content while withholding the right to add new subscribers. The court said the defendant had also incited people to commit public nuisance, with messages calling on them to take part in rallies and demonstrations including at Hong Kong International Airport, to block roads and to paralyse the public transportation system. Various forms of protest promoted on the messaging platform included general strikes, lunchtime protests and silent sit-ins.
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