abesteSIM eSIM Data Plans for Brunei

abesteSIM does not provide a truly unlimited data eSIM for Brunei. The plans listed under the “Unlimited” title actually contain a fixed data cap and feature a reduced speed once the cap is reached. The 1GB/day plan is the only option that carries the “Unlimited” name but limits users to 1GB of high‑speed data per day and throttles the connection to 5000kbps after the limit is met.

Instead, abesteSIM offers fixed data plans that may better suit travelers. For example, there are 50GB plans valid for 3, 5, 7, 10, or 15 days, all of which support tethering and drop to 128kbps after the 50GB has been used. These larger data packages can be more cost‑effective for visitors who anticipate higher usage compared to the 1GB/day plan.

abesteSIM does not offer any Brunei eSIM plan that includes a phone number or SMS capability. The provider only offers data‑only eSIMs for travellers visiting Brunei.

Because a phone number or SMS is not supplied, users can still place and receive calls or send messages through popular VoIP applications such as WhatsApp, Telegram, or iMessage over the data connection. However, some destinations may block or restrict access to certain apps or VoIP services, so it is advisable to confirm beforehand that the applications you rely on are usable in Brunei before purchasing an abesteSIM data‑only plan.

abesteSIM provides 85 single‑country data plans for Brunei. All of these plans are available only in Brunei; no multi‑country plans are listed. The plans cover a wide price range from about $2.65 to $215.90 and offer data caps from 500 MB up to 50 GB, with validity periods between 1 and 30 days. Among the offers, 37 plans feature a daily data cap while the remaining 48 plans provide a fixed data amount.