• English
  • Español
  • Français
  • 日本語
  • 한국인
  • 中文(简体)
  • 中文(繁體)
  • Aland lslands(USD $)
  • Albania(USD $)
  • Andorra(USD $)
  • Australia(USD $)
  • Austria(USD $)
  • Belarus(USD $)
  • Belgium(USD $)
  • Bosnia and Herzegovina(USD $)
  • Bulgaria(USD $)
  • Canada(USD $)
  • China(USD $)
  • Croatia(USD $)
  • Cyprus(USD $)
  • Czech Republic(USD $)
  • Denmark(USD $)
  • Estonia(USD $)
  • Faroe Islands(USD $)
  • Finland(USD $)
  • France(USD $)
  • Germany(USD $)
  • Gibraltar(USD $)
  • Greece(USD $)
  • Guernsey(USD $)
  • Hong Kong SAR(USD $)
  • Hungary(USD $)
  • Iceland(USD $)
  • Ireland(USD $)
  • Isle of Man(USD $)
  • Italy(USD $)
  • Japan(USD $)
  • Jersey(USD $)
  • Latvia(USD $)
  • Liechtenstein(USD $)
  • Lithuania(USD $)
  • Luxembourg(USD $)
  • Macao SAR(USD $)
  • Macedonia,Former Yugoslav Republic of(USD $)
  • Malta(USD $)
  • Moldova(USD $)
  • Monaco(USD $)
  • Montenegro(USD $)
  • Netherlands(USD $)
  • Norway(USD $)
  • Poland(USD $)
  • Portugal(USD $)
  • Romania(USD $)
  • Russia(USD $)
  • San Marino(USD $)
  • Serbia(USD $)
  • Singapore(USD $)
  • Slovakia(USD $)
  • Slovenia(USD $)
  • Spain(USD $)
  • Svalbard and Jan Mayen(USD $)
  • Sweden(USD $)
  • Switzerland(USD $)
  • Taiwan(USD $)
  • Ukraine(USD $)
  • United Kingdom(USD $)
  • United States(USD $)
  • Vatican City(USD $)

No relevant currency found

CLOSE

Thailand
Thailand

Thailand

Thailand

•  Network: DTAC/TrueMove/AIS

•  Speed: 5G/4G/LTE

•  Plan Type: Data Only (DTAC Happy includes Data, Voice & Text)

•  Tethering/Hotspot: Yes

•  Activation: Auto-start on arrival; turn on data roaming for ByteSIM

•  Delivery: eSIM QR by email within minutes; 24/7 support.

•  eKYC (IDENTITY VERIFICATION): Not Required.

•  Coverage: Experience fast, stable internet in tourist hotspots like Bangkok, Chiang Rai, Krabi, Phuket, and across Thailand.

•  Promotion: 10 days unlimited data (DTAC Happy) + Thai number (can receive calls & SMS only).

Data Plan Network Data Package Phone number

Unlimited Data

(DTAC Happy)*10

DTAC

Unlimited data · 5G Max Speed

Thai number - only for receiving calls and SMS. To make calls or send SMS, please re-register at a True-dtac store

Unlimited Data

(DTAC Happy)*8

Thai number with free incoming calls & SMS, plus DTAC Wi-Fi. Re-register at a True-dtac store to enable outgoing calls/SMS, including unlimited local calls and 100 THB international call credit.

Unlimited Data

(DTAC Happy)*30

Other

AIS/TrueMove

High-speed, then unlimited at 128 kbps

No

$2.90 USD
$0.00 USD
Data
500MB/Day
1GB/Day
2GB/Day
3GB/Day
Total 3GB
Total 5GB
Total 10GB
Total 20GB
Total 30GB
Total 50GB
Unlimited Data (DTAC Happy · 5G Max Speed · No Throttle)
Unlimited Data (TrueMove 5G · 1GB/day Max Speed, then 5Mbps)
Unlimited Data (TrueMove 5G · 10Mbps Throughout)
Service Days
1
3
5
7
10
15
20
30
8
Quantity
Only 2660 left
Why ByteSIM

More than just a data plan

Stay connected across Thailand with flexible plans, fast setup and support from real people.

Honest by default

Truly unlimited, honestly

On unlimited plans you get high-speed 5G/LTE and 1080p HD streaming even under fair use, with the policy stated up front.

HD streaming Maps and navigation Hotspot sharing Video calls home

24/7 real human support

Reach real people on WhatsApp and email, before and during your trip. No bots, no scripts.

No ID, no hassle

No passport, no registration, no SIM swap. Privacy-first activation in minutes.

Instant delivery, 3-minute setup

Receive your eSIM by email and in the ByteSIM App. Scan, install and connect on arrival.

ByteSIM How it works
How it works

How to set up your Thailand eSIM

Choose your Thailand eSIM, install it before you fly, connect on arrival and manage everything in the ByteSIM App - usually ready in about 3 minutes.

  1. Choose

    Check your device & choose a plan

    Check your device, then select the destination, data and duration for your trip.

    Check compatible devices
  2. Install

    Install before you travel

    Use the QR code or ByteSIM App on stable Wi-Fi. Installing early usually does not start your plan.

  3. Connect

    Connect on Arrival

    Most plans activate on arrival. Some start on a selected date or in the app.

  4. Manage

    Manage in the App

    Check usage, add data and contact ByteSIM 24/7 support.

Compare options

Compare your travel SIM options

See how ByteSIM compares with roaming, local SIM cards and typical travel eSIMs.

ByteSIM compared with roaming, local SIM cards and typical eSIM providers.
Feature ByteSIM Built for flexible travel Roaming Local SIM Typical eSIM
Unlimited Data Smooth 1080p HD* No No FUP 256kbps–1Mbps
Multiple Networks Better coverage where available Most plans Varies No Varies
Free Switch & Swap Network and device flexibility Most plans No No No
No Passport Upload Yes N/ANot applicable Often required Varies
Instant Delivery Email and app access Yes N/A No; store or kiosk required Usually yes
24/7 Human Support Real people, not scripts Yes No No Varies
180-Day Money-Back Guarantee Refund policy applies Yes No No No

General comparison only. *All ByteSIM plans include unlimited data. Truly unlimited plans support smooth 1080p HD streaming under fair use. Multiple networks, Switch & Swap, hotspot, keeping your primary number and refunds vary by plan, destination and policy.

Amazing service, trusted by travelers

GETTING HELP

More information visit Easy-Installation-Guide
ByteSIM call center: WhatsApp : +852 9243 7776.
Let's talk