eSIM for Brunei
Brunei at a glance
- Generations
- 3G, 4G/LTE, 5G
- Main carriers
- imagine (UNN), DST, Progresif
- Local eSIM
- Some local carriers issue eSIMs
- Calling code
- +673
Brunei's mobile networks operate across 3G, 4G/LTE, and 5G technologies, with coverage provided by local carriers including imagine (UNN), DST, and Progresif on key frequency bands including 1800 MHz, 900 MHz, and 3.5 GHz. A travel eSIM will connect to these networks on any compatible modern eSIM-enabled phone.
Since home-carrier roaming in Brunei tends to be costly, a travel eSIM with a country plan for Brunei is generally a more economical and straightforward option than purchasing a local SIM for short visits. Some local carriers do issue eSIMs, though these are typically suited to longer-term users. Live plans and pricing for travel eSIM options are available through your eSIM provider at the time of purchase.
| Connectivity | As publicly reported |
|---|---|
| Network generations | 3G, 4G/LTE, 5G |
| Main mobile networks (MNOs) | imagine (UNN), DST, Progresif |
| Key travel bands | B3(1800), B8(900), n78(3.5GHz) |
| Local eSIM support | Some local carriers issue eSIMs |
| Region | Asia |
| Capital | Bandar Seri Begawan |
| Calling code | +673 |
Travel eSIM or local SIM in Brunei?
Home-carrier roaming is costly here; travel-eSIM country plans are available and generally cheaper and simpler than a local SIM for short stays. See the eSIM-vs-roaming view for this country →
Travel eSIM plans for Brunei
Live plans and prices here are supplied by the eSIM provider feed (Airalo / Holafly / Saily) at publish time — not stored or estimated on this page. A travel eSIM works on almost any modern eSIM-capable phone regardless of whether local carriers issue eSIMs. Open the plan finder →

Frequently asked questions
Will a travel eSIM work in Brunei?
How much does an eSIM for this country cost?
Full coverage & carriers → · eSIM vs roaming → · Look up another country →
Compiled from public-record telecom facts (the MNO roster, commercially-launched 3G/4G/5G generations, deployed travel-relevant bands and local-eSIM support) and verified June 2026; see the source we compile this country from. This country's connectivity row is currently low-confidence (small / island / single-operator / fast-changing market), so treat the carrier, band and 5G details as a starting point we are still verifying. How we compile this. Plan prices are supplied by the eSIM provider feed at publish time, not stored here.