Best 21-day eSIM Plans for Brunei
Going to Brunei for 21 days (3 weeks)? These plans cover your full trip — all with instant QR delivery, no contract, and no SIM card to pick up at the airport.
Starting from (Free)
$17.00
Pro membership — save 7%
$15.81
Premium membership — save 12%
$14.96
Recommended 21-day plans — Brunei
Best Value
Muara Mobile
10 GB
30 days validity
$49.00
$4.90/GB
All 3 plans covering 21+ days
Muara Mobile
10 GB
30 days validity
$49.00
$4.90/GB
Muara Mobile
5 GB
30 days validity
$27.00
$5.40/GB
Muara Mobile
3 GB
30 days validity
$17.00
$5.67/GB
Other trip lengths for Brunei
21-day eSIM plans by destination
Frequently asked questions — 21-day Brunei eSIM
What eSIM do I need for 21 days in Brunei?
Look for a plan with at least 21 days of validity. The plans above all cover your full trip. Activate when you land — validity starts from first use, not from purchase.
How much data do I need for 21 days in Brunei?
A typical traveler uses 1–2 GB per day for maps, messaging, and occasional video. For 21 days that is roughly 21–42 GB.
When should I install my Brunei eSIM?
Install before you travel, at home over Wi-Fi. Activation begins when you arrive and connect to a local carrier.
Can I top up if I run out of data?
Many plans are rechargeable. You can purchase an additional plan from LTE.app at any time — no need to find a SIM card shop.
Save on every trip with Pro or Premium
Pro 7% off · Premium 12% off · Smart Coach AI · Offline activation
Brunei travel connectivity
All Brunei pages — linked for faster research