The HotelESIM plan for Mongolia is exclusively valid within Mongolia's national borders. If your adventure includes the iconic Trans-Mongolian Railway, which traverses Russia and China, please note that your connection will cease once the train crosses into either of those countries. For a seamless experience on this legendary journey, we recommend exploring our regional eSIM options or securing individual plans for Russia and China to ensure continuous connectivity throughout your entire trip.
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Is this HotelESIM plan valid for the Trans-Mongolian Railway journey through Russia or China?
Updated April 22, 2026
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