gosimless does not provide an unlimited data eSIM for Brunei. All of its Brunei offerings are fixed data plans with a set data cap and validity period.
Travelers who need a large amount of data can choose from the available fixed data plans, such as the 20GB plan valid for 30 days or the 10GB plan also valid for 30 days. These plans offer a clear data allowance and a defined validity window, which can be more cost‑effective for most users unless they require truly unlimited data.