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Best Koh Samui Connectivity Solutions

Discover 36 Wi-Fi & SIM cards in Koh Samui on Trip.com, updated February 28, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From EUR 0.18 per person, with an average total of EUR 1.59. Choose the option that suits your plan.

With 23.444k verified reviews, Wi-Fi & SIM cards Koh Samui boast an average rating of 4.6.

This week's most popular Wi-Fi & SIM cards: "Global (66 countries) | 5G/4G eSIM | Total Package | 24H Billing | 1-7 days | QR code", with 3.826k reviews and a 4.5 rating.

The next available day tour departs on March 1, 2026. Book now to secure your spot!

Koh Samui Wi-Fi & SIM cards usually take about 1 hours — perfect for a relaxed, immersive experience!

February is perfect for visiting Koh Samui! Choose from Wi-Fi & SIM cards available day tours, including seasonal hits like Global (66 countries) | 5G/4G eSIM | Total Package | 24H Billing | 1-7 days | 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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36 results for Koh Samui Wi-Fi & SIM cards

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Trip.com Picks

Popular Tour Products in Koh Samui

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Full Day Tour to Koh Tean & Koh Madsum from Koh SamuiKoh Samui 4WD Safari TourKoh Samui vintage red sailing boat Ang Thong tour with pickup service and buffetMR. TU's Samui Island deep sea fishing one-day tour - professional fishing boat with fresh catch processingKoh Samui MR.TU Sea Fishing: Fresh Seafood Processing|Professional Fishing BoatKoh Samui: Introduction Group Class Muay Thai Boxing for BeginnersAng Thong National Marine Park Speedboat from Koh SamuiKoh Samui Departure: Mu Ko Ang Thong National Park Sightseeing and Snorkeling|Upgradable kayaking adventureKoh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounterZipline in Koh Samui Adventure activity tourFrom Koh Samui: Island Sightseeing Shared Tour by Army JeepKoh Samui: Amazing Pig Island Tour - Cruise Ship ToursKoh Samui vintage red sailing boat sunset tour with pickup service and buffetPhuket To Ko Pha Ngan by Coach and High-Speed CatamaranKoh Samui: Introduction Private Class Muay Thai Boxing for Beginners
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Reviews/Trip Moments

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Reviews: Thailand AIS 5G SIM Card | 35GB for 7days | Local Phone Number | Pick Up at Bangkok Airport
Guest User2026-01-21
It's convenient because you can find it right after exiting the departure hall. The staff was friendly and set it up quickly. The signal was decent, and I used it well. However, I was a little worried because my plan was suspended after 35GB, which was a bit of a concern. I was satisfied because the price was cheaper than buying unlimited data on-site.
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Reviews: Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
Guest User2026-02-27
I connected the e-SIM at the airport, and by the time the plane landed at Phuket Airport, I had good internet speed. We've been using it for three days now - everything is great, there's a connection everywhere, it takes a couple of minutes to connect, everything is clear and accessible.
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Reviews: Thailand Dtac Truemove 5G eSIM | Total Data Package/Unlimited Data | 3-15 Days | 24-Hour Billing | QR Code
Guest User2026-02-27
We booked for the whole company, the internet worked everywhere, both in the city and on the islands, and there were no problems at all.
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Reviews: Thailand AIS 5G eSIM | Total 15GB/30GB | 7-10 Days | Local Phone Number | Real-Name Authentication Required | QR code
Guest User2026-02-27
I couldn't install it right away because I had to register for the app first. Read the instructions carefully.
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Reviews: Global (66 countries) | 5G/4G eSIM | Total Package | 24H Billing | 1-7 days | QR code
Guest User2026-01-22
It was strong and lasted for 2 days (3GB), we have been using it consistently and it was very efficient👍
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Reviews: Thailand 5G eSIM | Day Pass/Total Data Package | 1–30 Days | 24-Hour Billing | QR Code
Guest User2026-02-27
The eSim is very useful during my thailand trip. It’s easy to use and the signal is strong. Highly recommended!

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