Best Koh Samui Connectivity Solutions

Discover 35 Wi-Fi & SIM cards in Koh Samui on Trip.com, updated March 1, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From SGD 0.15 per person, with an average total of SGD 2.03. Choose the option that suits your plan.

With 40.105k verified reviews, Wi-Fi & SIM cards Koh Samui boast an average rating of 4.7.

This week's most popular Wi-Fi & SIM cards: "Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code", with 6.532k reviews and a 4.7 rating.

The next available day tour departs on March 2, 2026. Book now to secure your spot!

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

March is perfect for visiting Koh Samui! Choose from Wi-Fi & SIM cards available day tours, including seasonal hits like Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 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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Reviews/Trip Moments

Reviews: Thailand | 5G eSIM | Day Pass/Total Package | 24H Billing | 1-30 days | QR code
E31****08712026-03-01
In most areas, 5G coverage worked well. The Wi-Fi at my first accommodation was weak, so I used 5G to watch videos before bed. Comparing with other travelers, I found that even with the same plan, local carriers in Thailand varied, and the signals were similar.
Reviews: Thailand 5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
_TITH******x57xvd2026-02-28
Everything works well, and there were no connection issues. 2 GB is enough for essential needs outside the hotel.
Reviews: Thailand Dtac 5G eSIM | Local Phone Number | Unlimited Data | 24-Hour Billing | QR Code
_TIRU******b2z7sb2026-02-28
Everything was great. We activated the Wi-Fi at Phuket airport. The internet was fast with a hotspot. We had no issues during our 10-day stay.
Reviews: Thailand AIS 5G eSIM | Unlimited Data | Local Phone Number | ldentity Verification Required | QR code
ИринаMix2026-02-27
I couldn't install it right away because I had to register for the app first. Read the instructions carefully.
Reviews: Thailand eSIM | Up to 100GB data | 4G/5G connection| 1-30 days
_TSXX******tqsn42026-02-28
I bought the eSIM card on Trip.com for Thailand… 30 days with 1.5 GB/day for only $10 CAD, a real bargain. Easy to install, just one button press and it was done automatically… Fast, efficient, and very economical. I highly recommend it.
Reviews: Singapore/Malaysia/Thailand/Indonesia Southeast Asia universal 5G eSIM | DayPass/Total | 500MB/day-total 30GB | QR code
Tra_c_anne2026-02-28
Super easy to install. Switches automatically when you enter new country with a simple restart of your phone. Best purchase for my trip. Will definitely recommend and buy again. Very satisfied.
Best Contact Center 2024 - Bronze
Best Contact Center 2024 - Bronze