SeferESIM currently does not offer a true unlimited data eSIM for Finland. Plans that carry the “Unlimited” label actually provide 1GB per day and, after that amount is used, the data speed is reduced to 1000kbps, so the allowance is still capped.
For travelers who need a large data allocation but are willing to use a fixed data plan, SeferESIM has options that include Finland. For example, the Finland 50GB 180Days plan gives 50GB of high‑speed data over 180 days, and the Europe (35 areas) 100GB 180Days plan provides 100GB of high‑speed data over the same period, both of which cover Finland. These plans let users plan their usage within a defined validity window.