Thailand SIM Cards & eSIMs
Last updated: February 2026
Staying connected in Thailand is easy and affordable. Your two choices are a physical SIM card or an eSIM you activate with a QR code. This guide helps you choose quickly, buy the right package, and get set up without surprises.
Quick Decision Guide
- Your phone supports eSIM.
- You want to set it up before landing.
- You want to keep your home SIM active.
- Your phone does not support eSIM.
- You want a Thai phone number.
- You prefer in-person help and top-ups.
SIM vs. eSIM (At a Glance)
| Feature | Physical SIM | eSIM |
|---|---|---|
| Setup | In-store activation | Scan QR code |
| Thai phone number | Usually included | Often data-only |
| Convenience | Need to visit shop | Instant before arrival |
| Compatibility | Any unlocked phone | eSIM-capable phones only |
eSIM Compatibility
Compatible phones
- iPhone: iPhone XR and newer (including SE 2nd/3rd gen).
- Android: Samsung Galaxy S20+, Google Pixel 3+, most recent flagships.
Check your phone: Settings > About Phone > look for “EID” or “eSIM.”
Important notes
- Phone must be carrier unlocked.
- Some carrier-locked phones block eSIM.
- Dual SIM lets you keep your home number active.
Thai Mobile Providers
AIS
Best nationwide coverage and generally the fastest network.
Best for: Long trips and travel outside cities.
True (includes dtac)
Strong in cities and tourist areas, lots of package options.
Best for: City stays and value plans.
International eSIM sellers
Data-only eSIMs that ride on local networks like AIS or True.
Best for: Set up before you land.
Network quality can vary street by street. If you will travel outside Pattaya, AIS is usually the safest choice.
Typical Data Packages
Short stay (1-7 days)
- 15GB / 7 days: ฿299-399
- 30GB / 7 days: ฿499-599
- Unlimited / 7 days: ฿599-799*
Medium stay (8-15 days)
- 30GB / 15 days: ฿599-799
- 50GB / 15 days: ฿799-999
- Unlimited / 15 days: ฿999-1,299*
Extended stay (16-30 days)
- 50GB / 30 days: ฿999-1,299
- 100GB / 30 days: ฿1,299-1,599
- Unlimited / 30 days: ฿1,499-1,999*
*Unlimited plans usually throttle speed after a fair-use limit.
Where to Buy Physical SIMs
At the airport
- Suvarnabhumi (BKK): Counters in arrivals hall, open 24/7.
- Don Mueang (DMK): Counters in arrivals.
- U-Tapao (UTP): Limited options.
Pros: Fast, English-speaking staff, immediate activation.
Cons: Slightly higher prices.
In Pattaya
- Phone shops: Beach Road and Second Road.
- Malls: AIS/True shops in all major malls.
- 7-Eleven: Top-up SIMs (limited tourist bundles).
Pros: Better prices, more plans.
Cons: Requires a visit after arrival.
Buying an eSIM
Before you arrive (recommended)
- Choose a provider and package.
- Complete purchase online.
- Receive a QR code by email.
- Scan the QR code to install the eSIM.
- Activate when you land in Thailand.
[eSIM purchase options will be displayed here]
Registration Requirements
Physical SIM cards
- Passport required.
- Selfie taken at point of sale.
Registration is done for you at the counter.
eSIMs
Most tourist eSIMs are registered by the provider and do not require your in-person registration.
Activation Tips & Troubleshooting
Physical SIM setup
- Insert SIM (phone must be unlocked).
- Restart phone if needed.
- Data should work automatically.
- If not, check APN settings.
eSIM setup
- Connect to Wi-Fi first.
- Scan QR code or enter activation code.
- Follow phone prompts to install.
- Set as primary data line.
- Enable data roaming if prompted.
Quick fixes
- No signal: Restart phone, toggle airplane mode.
- No data: Ensure mobile data is on, check APN.
- eSIM install failed: Confirm phone is unlocked and eSIM-capable.
- Slow speeds: You may have reached the fair-use limit.
How Much Data Do You Need?
Light use
Maps, messaging, email.
Plan: 5-10GB for 2 weeks.
Moderate use
Social media, photos, video calls.
Plan: 15-30GB for 2 weeks.
Heavy use
Streaming, remote work, uploads.
Plan: 50GB+ or unlimited.
Save data before you arrive
- Offline maps (Google Maps, Maps.me).
- Netflix shows for the flight.
- Spotify playlists.
- Translation apps and language packs.
Data vs. Calls
Data-only packages (most eSIMs)
- Internet access only.
- Use WhatsApp, LINE, or Messenger for calls.
- No Thai phone number.
Voice + data (physical SIMs)
- Internet access plus Thai phone number.
- Useful for Grab, banking apps, and local SMS.
- Often easy to top-up in stores.
Recommendation: Most tourists are fine with data-only. Choose a voice package if you need local calls or SMS verification.
Topping Up
Physical SIM
- 7-Eleven top-up cards or pay at counter.
- Provider shops and kiosks.
- Online through the provider app.
eSIM
- Buy extra data via provider website/app.
- Some eSIMs cannot be topped up, so choose enough data.
Recommendations
eSIM for easy setup before arrival.
Physical SIM + Thai number for local services.
Compare airport vs city shops and avoid overbuying.
Questions?
Our forum community can help with SIM compatibility, plan choices, and setup troubleshooting.
Última actualización: March 2026
