// Custom logo on "WP 2FA with Telegram" login screen: function two_factor_login_telegram_custom_logo(){ $image_path = home_url('/images/'); $image_filename = 'custom-two-factor-telegram.png'; return $image_path . $image_filename; } add_filter('two_factor_login_telegram_logo', 'two_factor_login_telegram_custom_logo');