Will I have mobile signal in the Paris Metro or on TGV trains with CheapESIM?

Yes, you can expect excellent connectivity with your CheapESIM in France, even in transit. The major local networks CheapESIM partners with, like Orange and SFR, offer robust coverage. This means you'll generally have a strong 4G/LTE signal within Paris Metro stations and tunnels. Similarly, on TGV high-speed trains, coverage is typically very good along most routes, ensuring you stay connected and can utilize your data plan without interruption for the best value.