ZenSim does not provide a true unlimited data eSIM for Jersey. The plans marketed as “Unlimited” actually allow 3 GB of high‑speed data each day for the chosen validity period; once that daily allocation is exhausted no additional high‑speed data is supplied.
Travelers who need more data can choose fixed‑data plans instead. For example, ZenSim offers a 20 GB plan valid for 10 days at $42.00 USD and a 10 GB plan for 10 days at $24.00 USD. A 5 GB plan for 10 days costs $15.00 USD. These fixed‑data options may be more cost‑effective for users who plan to consume large amounts of data during their stay in Jersey.