eSIMCard does not provide a truly unlimited data eSIM for Hong Kong. Every plan listed for Hong Kong has a fixed data cap, such as 1 GB or 2 GB per day, and once that amount is used the speed is reduced to a throttled rate. Although the plan names contain the word “Unlimited, ” the caps are limited, so they are not unlimited high‑speed data.
Fixed‑data plans are available instead. For example, eSIMCard offers a 100 GB eSIM for 180 days (valid in Hong Kong and many other countries) and a 50 GB eSIM for 90 days. These plans provide a large amount of data without the hourly caps seen in the “Unlimited”‑named options, but they still have an overall maximum that can be reached.