JamboSim eSIM Data Plans for Southeast Asia

JamboSim does not provide a true unlimited eSIM plan for Southeast Asia. The products that carry the label “Unlimited” actually supply a fixed rate of 3GB of high‑speed data per day; once that amount is used the speed is reduced to 1000kbps. Therefore high‑speed data is not unlimited.

If a traveler needs large data allowances, JamboSim offers fixed‑data plans such as the 100GB plan valid for 180 days, the 50GB plan for 90 days, and the 20GB plan for 30 days. These options can be more economical for most users, while still covering the same Southeast Asian countries that the “Unlimited” label promises.

Yes. JamboSim offers eSIM plans that include a phone number and outbound SMS capability for travelers in Southeast Asia. The plans use a +1 dialing code, which is not a local Southeast Asian number, and allow calls and texts to be sent but not received. Prices range from $11.99 USD for a 1GB, 7‑day plan up to $105.99 USD for a 20GB, 365‑day plan, while validity periods vary from 7 days to 365 days. Users looking for specific calling or messaging functionality should verify the details directly with JamboSim before purchasing.

JamboSim offers several eSIM plans that cover different subsets of Southeast Asia. The eSIM JamboSim Global and its variant eSIM Global139 both provide coverage in Brunei, Indonesia, Cambodia, Laos, Malaysia, Philippines, Singapore, Thailand, Timor Leste, and Vietnam. The eSIM JamboSim Asia plan covers Indonesia, Cambodia, Laos, Malaysia, Philippines, Singapore, Thailand, and Vietnam. The eSIM Asia (12 areas) Day plan includes Indonesia, Cambodia, Malaysia, Singapore, Thailand, and Vietnam. The eSIM Global (120+ areas) Day plan covers Indonesia, Malaysia, Philippines, Singapore, and Thailand. Finally, the eSIM JamboSim Global+ plan covers Brunei, Indonesia, Laos, Malaysia, Philippines, Singapore, Thailand, Timor Leste, and Vietnam. No JamboSim plan currently includes Myanmar.