Instant Delivery 220+ Countries Keep Your Number

Arrive connected before takeoff, not after you land.

Do not wait for airport Wi-Fi. Buy your eSIM in minutes, keep your WhatsApp number, and connect the moment your plane touches down.

Works on compatible iPhone, Samsung, and Pixel devices.
Validity starts only when you connect at your destination.
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World eSIM

One eSIM for global coverage.

View World eSIM From $7.80

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From $1.09

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From $1.09
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How It Works

1. Choose Destination

Search for your travel destination and pick a data plan that fits your needs.

2. Purchase eSIM

Buy instantly through our secure checkout. Check your email for the QR code.

3. Activate & Travel

Scan the QR code, turn on roaming, and connect instantly upon arrival.

What is an eSIM?

  • No physical SIM required. It is purely digital.
  • Instant digital activation. Get connected in minutes.
  • Avoid roaming fees. Pay local rates anywhere.
  • Works on compatible devices. iPhone XS and newer.
Read Detailed Guide
Mobile phone showing eSIM activation

About One Telecom

OneSIM is powered by One Telecom, a global telecommunications group delivering next-generation connectivity solutions across multiple regions.

Digital-FirstAgile telecom infrastructure
Global Coverage220+ Destinations

Why choose OneSIM?

Multi-network support
Instant delivery
Transparent pricing
24/7 Support

More travelling. Less SIM admin.

A few ways OneSIM makes your next trip easier.

01 · BEFORE YOU GO

Find data for your destination.

Compare the data allowance, validity and coverage of a package before you buy.

Explore destinations →
02 · ONE PHONE IS ENOUGH

Install on the phone in your hand.

Use direct installation where your device supports it, with QR and manual setup options available.

See how to install →
03 · YOUR ESIMS TOGETHER

Keep your travel plans close.

Open your purchased eSIMs and installation details from your OneSIM account.

Open My eSIMs →
04 · A LITTLE HELP

Know where to turn.

Check the setup guide or contact support when you need help with an order or connection.

Visit the Help Centre →

OneSIM features · Swipe or use the arrows to explore.