ZenSim eSIM Data Plans for United Kingdom

ZenSim does not offer a truly unlimited high‑speed data plan for the United Kingdom. The plans that use the name “Unlimited” provide 3GB of high‑speed data per day; once that daily allotment is reached the speed is reduced.

Travelers who need more data can choose from ZenSim’s fixed‑data plans. For example, a 40 GB plan for 30 days is available for $51 USD, and a 20 GB plan for 15 days costs $26 USD. These fixed‑data options may be more cost‑effective, especially for heavy data users, and represent only a subset of the available plans.

ZenSim does not provide any United Kingdom eSIM plan that includes a phone number or SMS capability. All United Kingdom eSIM plans from ZenSim are data‑only. Travelers wanting voice or messaging can use VoIP services such as WhatsApp, Telegram or iMessage over the data connection, but some destinations may block or restrict these services, so users should confirm access before purchasing.

ZenSim offers a total of 13 single‑country plans and 13 multi‑country plans that cover the United Kingdom. Within these options, six plans feature a daily data cap allowing a uniform amount of data each day, while twenty offer a fixed data cap that provides a set amount of data for the entire validity period. The available UK plans span a price range from roughly five dollars to sixty‑nine dollars, with data limits between one gigabyte and forty gigabytes.