Don’t publish new content at nighttime. Since not all users disable notifications for the night, you risk inadvertently disturbing them. 4How to customize a Telegram channel? 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. You can invite up to 200 people from your contacts to join your channel as the next step. Select the users you want to add and click “Invite.” You can skip this step altogether. Invite up to 200 users from your contacts to join your channel
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