Top picks for Koh Samui SIM card

Discover 35 SIM card in Koh Samui on Trip.com, updated April 5, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From NZD 0.15 per person, with an average total of NZD 2.73. Choose the option that suits your plan.

With 56.146k verified reviews, SIM card Koh Samui boast an average rating of 4.6.

This week's most popular SIM card: "Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code", with 16.112k reviews and a 4.4 rating.

The next available day tour departs on April 6, 2026. Book now to secure your spot!

Koh Samui SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

April is the perfect time to visit Koh Samui! Choose from SIM card available day tours, including seasonal favorites like Global (66 countries) | 4G/5G eSIM | Total Package | 1-7 days | 24H Billing | Real-Name Auth Required (Hong Kong & Taiwan) | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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35 results for Koh Samui SIM card

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Reviews/Trip Moments

Reviews: Thailand 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
Guest User2026-04-04
It was good using this eSIM. I use it everytime I am overseas and it works fairly well, I wish there was 70gb a month though, because I went through the data so fast. But overall it is a great value.
Reviews: Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2026-04-04
Everything was great! I connected without any problems, and it lasted my entire vacation. The 5G signal was strong even at sea and on the islands.
Reviews: Thailand Dtac 5G eSIM | Local Phone Number | Unlimited Data | 24-Hour Billing | QR Code
Guest User2026-04-01
Easy to set up, stable signal and speed throughout the trip, TikTok access available.
Reviews: Southeast Asia (7 countries) | 5G/4G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2025-11-29
Easy to install. Convenient to use. Good signal. Works well even in many places. There is a link to check how much you have used. Recommended. No need to put in a SIM card, it's a hassle.
Reviews: Thailand eSIM | Up to 100GB data | 4G/5G connection| 1-30 days
Guest User2026-04-05
Everything was great. Very convenient, first time using eSIM. I was always connected, even on Monkey Island and while we were on the boat around Koh Phi Phi.
Reviews: Thailand truemove 5G eSIM | Total Data Package/Unlimited Data | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-04-04
We took it for the first time, but everything worked out, it works great, we were in touch with everyone the whole trip, + I gave it to my husband and daughter, everything flew