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If you're running low, you can top up depending on the package
The package starts when you connect to a supported network

Why use an eSIM in Thailand?

Between Bangkok traffic, island ferry timetables and Grab pickups, Thailand runs on mobile data. Local tourist SIMs mean a counter queue and a passport photocopy at the airport; an eSIM is installed before you leave home and connects the moment you land at Suvarnabhumi, Phuket or Chiang Mai.

Why travellers choose Zyroam

Local, regional and global coverage across 200+ countries and regions
Fixed-data and unlimited packages, from $4.00 — no contract, no deposit
Delivered by email in seconds, installed with a QR scan in about a minute
Top up from your account instead of buying a whole new plan

Good to know before you buy

Your plan starts when the eSIM first connects to a supported network in Thailand — not when you buy it.
These are data-only plans. Calls and texts work through WhatsApp, FaceTime, Telegram and similar apps.
Your existing SIM stays in the phone, so your normal number keeps receiving calls and SMS.
Check your handset on the compatibility list before buying — the eSIM is locked to the first device it is installed on.

Frequently asked questions

How do I activate my Thailand eSIM?

After checkout you get an email with a QR code and a manual activation code. Scan it from your phone's mobile-data settings while you are still on Wi-Fi, and keep the eSIM switched off until you arrive. Step-by-step instructions for iPhone and Android are in our setup guide.

Which phones support eSIM?

Most phones released since 2018: iPhone XS and newer, Google Pixel 3 and newer, Samsung Galaxy S20 and newer, and many mid-range Android models. The handset also has to be carrier-unlocked. The full list is on our compatibility page.

When does my Thailand data plan start?

The validity period begins the first time the eSIM connects to a supported network in Thailand, not at purchase. You can install it days ahead of your trip without losing any days.

Can I use WhatsApp and make calls with the eSIM?

Yes for anything that runs over data — WhatsApp, FaceTime, Telegram, Signal, Zoom. The plan does not include a local phone number or traditional voice minutes, but your own SIM stays active in the phone for calls and SMS to your usual number.

What happens if I run out of data?

Most packages can be topped up from the My eSIMs tab in your account, without installing a new eSIM. You can also check how much data you have left any time on the usage page.

Can I share the connection with another device?

Personal hotspot works on most of our plans, so you can share data with a laptop or tablet. A few networks restrict tethering — if that matters for your trip, check with us before buying.

Still stuck? Our help centre covers installation, billing and troubleshooting.