eSIMCard does not sell a truly unlimited high‑speed data plan for France. Every plan listed has a specified data cap; even those with “Unlimited” in the name provide a fixed amount of high‑speed data (for example 1 GB per day or 2 GB per day) and then throttle the speed once the limit is reached (e.g., to 512 kbps or 2000 kbps).
If you need a larger, predictable data allowance, eSIMCard offers several fixed‑data plans. The 50 GB plan, valid 30 days, and the 35 GB plans, also valid 30 days, each provide full‑speed coverage throughout France and extend coverage to several neighboring countries. These options can be more cost‑effective for travelers who expect to use a substantial amount of data.