To delete a channel with over 1,000 subscribers, you need to contact user support 2How to set up a Telegram channel? (A step-by-step tutorial) Read now 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. Telegram Android app: Open the chats list, click the menu icon and select “New Channel.”
from us
