Simbye does not provide a true unlimited data eSIM for Greece. The plans labeled “Unlimited” give 2GB of high‑speed data per day; once that amount is used the speed drops to 1 Mbps for any remaining data.
Travelers who need more data can choose fixed‑amount plans instead. For example, Simbye offers a 100GB plan for 30 days or a 50GB plan that remains valid for 180 days, both of which give uninterrupted high‑speed access during their validity period.