Is this CheapESIM plan valid for the 'Triple Frontier' (Brazil and Argentina) near Iguazu Falls?

It's crucial to understand that this specific CheapESIM plan is valid only within Paraguay. If your itinerary includes visiting Iguazu Falls, you will likely cross into Brazil (Foz do Iguaçu) and Argentina (Puerto Iguazú). Your CheapESIM connection will cease to function the moment you cross these borders. For seamless, cost-effective connectivity across multiple countries, CheapESIM offers regional plans (e.g., South America) that cover all three nations, providing superior value compared to buying individual country plans or incurring international roaming fees.