Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Ng Man-ho, a 27-year-old computer technician, was convicted last month of seven counts of incitement charges after he made use of the 100,000-member Chinese-language channel that he runs and manages to post "seditious messages," which had been shut down since August 2020. How to Create a Private or Public Channel on Telegram? “Hey degen, are you stressed? Just let it all out,” he wrote, along with a link to join the group. 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.