best-secure-messaging-apps-shutterstock-1892950018.jpg The optimal dimension of the avatar on Telegram is 512px by 512px, and itโs recommended to use PNG format to deliver an unpixelated avatar. To edit your name or bio, click the Menu icon and select โManage Channel.โ Done! Now youโre the proud owner of a Telegram channel. The next step is to set up and customize your channel. In the โBear Market Screaming Therapy Groupโ on Telegram, members are only allowed to post voice notes of themselves screaming. Anything else will result in an instant ban from the group, which currently has about 75 members.
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