Donβt publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. Some Telegram Channels content management tips A vandalised bank during the 2019 protest. File photo: May James/HKFP. Today, we will address Telegram channels and how to use them for maximum benefit. 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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