Local networks eSIM
Regional eSIM
City eSIM
eSIM Koh Samui
Important notes: dtac eSIM plans can only be installed in Thailand. Installing in non-covered regions may result in the plan being deactivated and becoming unusable.
- Data: Unlimited
- Validity: 8/10/15/30 days
- Coverage: Koh Samui
- Network operator: AIS, dtac, TRUE
- Phone number: Thailand local number
- Delivery: Immediate, via email, after order checkout
- Top-up: No
$9.90 – $34.90
Koh Samui eSIM – Island Life, Uninterrupted Connection
Experience seamless connectivity throughout Koh Samui with our dedicated island eSIM featuring exceptional coverage across beaches, jungles, and attractions. Choose from unlimited data plans or flexible data packages with validity options ranging from 3 to 30 days to perfectly match your tropical getaway. Powered by Thailand’s premium networks optimized for island coverage, our eSIM ensures reliable high-speed connectivity whether you’re relaxing on Chaweng Beach, exploring the island’s interior, or island-hopping to nearby Koh Phangan and Koh Tao. Our 24/7 English-speaking support team is always available to assist with any connectivity needs.
Get best value Koh Samui eSIM plans
AIS
30GB at MAX speed
*Unlimited at 384kbps
Thailand phone number included
From
$ 9.90
dtac
Unlimited 5G at MAX SPEED
*TRUE UNLIMITED without data cap
Thailand phone number included
From
$ 12.90
TRUE
Unlimited 5G at MAX SPEED
*TRUE UNLIMITED without data cap
Thailand phone number included
Only
$ 10.90
Compare all Koh Samui eSIM plans
Each eSIM plan comes with different features. Look and select the best one for you!
| Plan | Validity | Data | Network | Phone number & features | USSD code |
| AIS eSIM 10 days unlimited data + phone number | 10 days | 30GB at MAX speed, and unlimited at 384kbps | AIS | 100 Baht credit calls + FREE calls to AIS network numbers | Query local phone number: *545# |
| AIS eSIM 8 days unlimited data + phone number | 8 days | 15GB at MAX speed, and unlimited at 384kbps | AIS | 50 Baht credit calls + FREE calls to AIS network numbers + FREE chat (FB Messenger/ Twitter/ Instagram/ LINE/ WhatsApp/ Wechat) | Query local phone number: *545# |
| dtac eSIM 8 days unlimited data + phone number | 8 days | True unlimited 5G without data cap | dtac | 15 Baht credit calls + FREE calls to dtac network numbers | Query local phone number: *102*9# |
| dtac eSIM 10 days unlimited data + phone number | 10 days | True unlimited 5G without data cap | dtac | Thailand local phone. Only support incoming calls | Query local phone number: *102*9# |
| dtac eSIM 15 days unlimited data + phone number | 15 days | True unlimited 5G without data cap | dtac | 100 Baht credit calls + FREE calls to dtac network numbers + FREE 30 mins international calls to China, Hong Kong, Macau, Taiwan, India, Korea, Vietnam | Query local phone number: *102*9# |
| dtac eSIM 30 days unlimited data + phone number | 30 days | True unlimited 5G without data cap | dtac | 100 Baht credit calls + FREE calls to dtac network numbers + FREE 30 mins international calls to China, Hong Kong, Macau, Taiwan, India, Korea, Vietnam | Query local phone number: *102*9# |
| TRUE eSIM 15 days unlimited data + phone number | 10 days | True unlimited 5G without data cap | TRUE | Thailand local phone. Only support incoming calls + FREE 5 chat apps (FB Messenger/ LINE/ WhatsApp/ Wechat/ Kakao Talk) |
What you can expect
High-speed data
Experience the reliable
5G/4G/LTE local network.
Extensive
Get mobile data connection
in just a couple of minutes.
Keep number
Keep your current number
and use data with our eSIM.
Near-local rate
Goodbye to expensive roaming
fees. No hidden fee.
Island Bliss Starts Here – Get Your Koh Samui eSIM!
Discover more Thailand eSIM plans!
Ready for sun-soaked beaches, vibrant nightlife, and seamless sharing on Koh Samui? Purchase your ThailandeSIM Koh Samui eSIM now! Experience immediate activation, flexible data, and the confidence of superior island-wide coverage. Don’t let connectivity worries interrupt your paradise. Connect instantly and make every moment on Koh Samui unforgettable!
How it works
Get eSIM at your fingertips, Get ready for your trip!
Step 1
Choose your plan
Browse our travel data plans and pick the perfect option.
Step 2
Activate with one scan
We’ll email your QR code – simply scan to activate.
Step 3
You’re all set!
Enjoy unlimited access through our fast and reliable network.
Things to know
Data and voice service
For eSIM Koh Samui, you’ll get data, calls with our eSIM, featuring a phone number from Thailand’s local networks.
Check compatibility
Ensure your device supports eSIM and is network-unlocked. Refer to our eSIM compatibility list before making a purchase.
Activation time
eSIM plan will be automatically activated right after installation. Therefore, it’s recommended to install eSIM 1 day before departure
15-day activation
Activate your data plan within 15 days of purchase. No cancellations, refunds, or changes after this period.
ONCE time scan
For any eSIM plan, please note that each eSIM QR code can only be scanned and installed ONCE. So, please do not delete the eSIM while using it. If you get any issue, please contact us for support.
Frequently asked questions
If you still have questions about this service? We are here to help
Do I need a passport to buy the Thailand eSIM?
It is not necessary to show your passport when buying eSIMs at Thailandesim.com.
When does my Thailand eSIM start?
Your validity will start right after installation. It’s recommended to install 1 day before departure.
Is the Koh Samui eSIM only for use on the island?
While specifically optimized for excellent coverage on Koh Samui and its surrounding areas, your ThailandeSIM Koh Samui eSIM will generally provide connectivity across 99% of Thailand, leveraging the country’s best networks.
Does this eSIM work on nearby islands like Koh Phangan and Koh Tao?
Yes! While optimized for Koh Samui, our eSIM maintains good connectivity on neighboring islands, making it perfect for day trips or island-hopping adventures.
How to activate eSIM for Koh Samui?
Install the eSIM with a QR code sent to your email. In the mobile settings, select it as the default mobile data medium, turn on the data roaming and mobile data (cellular data). Then, your eSIM will work. Read more eSIM installation guide.
Can I share data or tether with the eSIM in Hotspot?
Yes, Koh Samui eSIM unlimited data includes hotspot feature.
How will I receive my Koh Samui eSIM?
After you place your order, we will send an email with your eSIM information, including QR code, confirmation code and activation guide within a few minutes. Just scan the QR code and follow the user guide.
How many times can I use my eSIM?
Our Koh Samui eSIMs are one-time-use eSIMs. After being activated, it will be ready for you to use until the expired date or the day when data runs out. If you remove eSIM from your phone, you will not be able to use it once again.
What kind of customer support can I expect with this eSIM?
We provide 24/7 customer support via WhatsApp and email to assist with any issues during your Koh Samui adventure. If you have any questions or encounter issues before or during your trip, our team is available around the clock to provide assistance.