سرویس فیلتر شکن من کار نمی کند

Hi there, thanks for reaching out. Apologies for replying in English but you wrote in an English forum and I used a translator to understand what you wrote. Is where you are based part of the supported countries: https://support.mozilla.org/kb/unable-find-built-vpn-firefox ? If not, VPN won't work where you are based, we are sorry.