Unblock On — Telegram

Alternatively, you can try contacting the channel's administrator directly:

Upon unblocking a user, the chat does not automatically reappear in your main chat list unless they send a new message. If you unblock someone you have a long history with, you might panic thinking the chat is gone. unblock on telegram

If you are unblocking someone to resume a conversation, remember that you must be the one to initiate the chat search to find the thread again. Do not wait for the chat to "pop back up," as it won't. unblock on telegram

To see the exact reason for a restriction and how long it will last, search for and message the official @SpamBot within the app. How to Appeal a Ban unblock on telegram