eSIM Firsty pour French Indian Ocean Territories en 2026

Firsty has not published which operators it uses in French Indian Ocean Territories, so the radio side is unknown rather than bad; the table above is the useful place to check allowances and validity. Its catalogue spans a large range, making data sizing the real decision and creating the risk of buying more than a fortnight needs. Firsty lists 5G as its fastest stated technology, not a guarantee of service. Top-up is stated as supported, so an exhausted plan can be extended rather than rebought.