ESIM.DOG does not provide an unlimited data eSIM for Brunei. The provider’s current products for the country are fixed data plans, such as the 60GB plan valid for 125 days and several 50GB options ranging from 1 to 5 days. While these plans offer substantial data allowances, they have a hard cap and expire after the specified validity period. Travelers who require more data or longer usage may need to purchase additional data credits or consider another provider, but within ESIM.DOG’s catalog the maximum available pack for Brunei is 60GB. Choosing one of the fixed data plans can be more cost‑effective for most users unless they anticipate an extremely high data consumption that would exceed the allotted amount.