[ie/tiktok] Restore `carrier_region` API param
diff --git a/yt_dlp/extractor/tiktok.py b/yt_dlp/extractor/tiktok.py
index 295e14932a8..3f5261ad968 100644
--- a/yt_dlp/extractor/tiktok.py
+++ b/yt_dlp/extractor/tiktok.py
@@ -155,6 +155,7 @@ def _build_api_query(self, query):
             'locale': 'en',
             'ac2': 'wifi5g',
             'uoo': '1',
+            'carrier_region': 'US',
             'op_region': 'US',
             'build_number': self._APP_INFO['app_version'],
             'region': 'US',

Avoids some geo-blocks, see https://github.com/yt-dlp/yt-dlp/issues/9506#issuecomment-2041044419

Thanks @oifj34f34f 

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