OneSIM is a premium privacy-first eSIM for reliable travel, domestic, and everyday use — with no contracts, no roaming packages, no top-ups, and unlimited data subject to fair use.

Not only for travel

Use it across borders, or keep it as part of your regular mobile setup.

Simple checkout

Buy your eSIM with just an email address. Pay by card or crypto, then activate without a long onboarding process.

Why OneSIM is different

Built for people who want more than standard connectivity.

A privacy-first service designed for control, continuity, and everyday use beyond roaming.

Privacy-first by design

Built around privacy and control from the ground up — not bolted on as an afterthought.

Works beyond roaming

Use it across borders or keep it as part of your everyday connectivity setup.

Control after purchase

Plans, numbers, and service settings continue after purchase through your account.

Key features

Built for global, everyday use with privacy-first design.

OneSIM brings together the features that matter for privacy-first, cross-border, and everyday use.

Security by design,

not by add-on.

Network-level protection

Protection is built into the service at the network level — not bolted on as an afterthought. Your connectivity is shielded from the infrastructure up.

Works globally

OneSIM is built for cross-border use without roaming-package complexity. One plan, one service, wherever you go.

Unlimited data, no top-ups

Stay connected without top-ups or roaming packages. Unlimited data is subject to fair use.

Service control

Manage plans, settings, and service details after purchase through your account.

Identity Control

Adaptive Network Identity, with more control over how your service appears.

OneSIM includes identity-control features designed for people who want stronger separation, flexibility, and control.

Caller ID choice

Choose which assigned number is shown on outgoing calls and messages.

Privacy Call

Use a separate outgoing presentation option when you want more separation.

Assigned numbers

Assigned numbers can receive calls and SMS.

Explore subscriber control

Who It's for

Built for everyday use, not one narrow use case.

Clear plans, simple setup, and ongoing control after purchase.

Travelers

Cross-border use

For people who move between countries and want one serious service.

Teams

Privacy-conscious use

For people who want more control over identity, numbers, and exposure.

Recommended

Everyday primary use

For people who want a more dependable everyday mobile setup, not only a travel backup.

Travelers

Cross-border use

For people who move between countries and want one serious service.

Teams

Privacy-conscious use

For people who want more control over identity, numbers, and exposure.

Recommended

Everyday primary use

For people who want a more dependable everyday mobile setup, not only a travel backup.

Travelers

Cross-border use

For people who move between countries and want one serious service.

Teams

Privacy-conscious use

For people who want more control over identity, numbers, and exposure.

Recommended

Everyday primary use

For people who want a more dependable everyday mobile setup, not only a travel backup.

Get started in 3 simple steps

Choose your plan

Step 01

Choose your plan

Pick the OneSIM plan that fits how long you want to use it.

Step 01

Choose your plan

Pick the OneSIM plan that fits how long you want to use it.

Step 02

Activate your eSIM

Set up OneSIM on your device and start your service.

Step 02

Activate your eSIM

Set up OneSIM on your device and start your service.

Step 03

Manage your service after purchase

Control plans, settings, and service details from your account after purchase.

Step 03

Manage your service after purchase

Control plans, settings, and service details from your account after purchase.

Pricing

Choose the OneSIM plan that fits your use.

Clear plans, simple setup, and ongoing control after purchase.

Data Only

Calls + Data

Calling, messaging, and data

1 Month

$219

$219/mo

Flexible full-service access

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Recommended

6 Months

$999

$166.50/mo

Best balance for regular use

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

12 Months

$1 699

$141.58/mo

Built for long-term continuity

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Unlimited data is subject to fair use policy.

Pay by card or crypto at checkout.

Pricing

Choose the OneSIM plan that fits your use.

Clear plans, simple setup, and ongoing control after purchase.

Data Only

Calls + Data

Calling, messaging, and data

1 Month

$219

$219/mo

Flexible full-service access

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Recommended

6 Months

$999

$166.50/mo

Best balance for regular use

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

12 Months

$1 699

$141.58/mo

Built for long-term continuity

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Unlimited data is subject to fair use policy.

Pay by card or crypto at checkout.

Pricing

Choose the OneSIM plan that fits your use.

Clear plans, simple setup, and ongoing control after purchase.

Data Only

Calls + Data

Calling, messaging, and data

1 Month

$219

$219/mo

Flexible full-service access

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Recommended

6 Months

$999

$166.50/mo

Best balance for regular use

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

12 Months

$1 699

$141.58/mo

Built for long-term continuity

Continue to plan selection

What's included

Unlimited data subject to fair use

Calls and SMS included

No top-ups

No roaming packages

Manage your service after activation

Unlimited data is subject to fair use policy.

Pay by card or crypto at checkout.

Subscriber control

One place to manage your service after purchase.

OneSIM includes a real self-service subscriber dashboard on desktop and mobile, with plan control, renewal visibility, number management, and privacy-related settings.

Plan and renewal control

View plan status, renewal timing, and subscription details.

Numbers and privacy settings

Manage caller ID, assigned numbers, and privacy-related controls from one place.

What people usually ask before getting started

What is OneSIM?

OneSIM is a premium eSIM service for people who want one reliable mobile service across travel and everyday use, with stronger privacy, simpler control, and unlimited data subject to fair use.

Is OneSIM eSIM only?

Yes. OneSIM is currently an eSIM-only service. You will need an eSIM-compatible device to use it. Check your device settings or manufacturer documentation to confirm eSIM support.

Is it only for travel?

No. OneSIM works across borders and can also be used as part of your regular everyday mobile setup.

How do I activate it?

Choose a plan, activate your eSIM on your device, and start using the service. Setup is digital and straightforward.

What identity and calling controls are included?

OneSIM includes Adaptive Network Identity, caller ID choice, and Privacy Call. These features give you more control over how your service appears when you use it.

What does unlimited data mean?

OneSIM includes unlimited data subject to a fair use policy. This means you stay connected without top-ups or roaming packages, with usage monitored under reasonable limits.

What is OneSIM?

OneSIM is a premium eSIM service for people who want one reliable mobile service across travel and everyday use, with stronger privacy, simpler control, and unlimited data subject to fair use.

Is OneSIM eSIM only?

Yes. OneSIM is currently an eSIM-only service. You will need an eSIM-compatible device to use it. Check your device settings or manufacturer documentation to confirm eSIM support.

Is it only for travel?

No. OneSIM works across borders and can also be used as part of your regular everyday mobile setup.

How do I activate it?

Choose a plan, activate your eSIM on your device, and start using the service. Setup is digital and straightforward.

What identity and calling controls are included?

OneSIM includes Adaptive Network Identity, caller ID choice, and Privacy Call. These features give you more control over how your service appears when you use it.

What does unlimited data mean?

OneSIM includes unlimited data subject to a fair use policy. This means you stay connected without top-ups or roaming packages, with usage monitored under reasonable limits.

Ready to get started with
OneSIM?

Choose the plan that fits your use and activate when you're ready.

Choose your plan

Privacy-first premium connectivity

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OneConnect Ltd

Registration No. HE 457873

Cyprus

28 Oktovriou 243, Christiana Sea View Court

Office 301-302, 3035 Limassol, Cyprus

Privacy-first premium connectivity

Product

Features

How It Works

Pricing

FAQ

Company

About OneConnect

Blog

Contact

Support

Legal

Fair Use Policy

Cookie Policy

OneConnect Ltd

Registration No. HE 457873

Cyprus

28 Oktovriou 243, Christiana Sea View Court

Office 301-302, 3035 Limassol, Cyprus

Privacy-first premium connectivity

Product

Features

How It Works

Pricing

FAQ

Company

About OneConnect

Blog

Contact

Support

Legal

Fair Use Policy

Cookie Policy

OneConnect Ltd

Registration No. HE 457873

Cyprus

28 Oktovriou 243, Christiana Sea View Court

Office 301-302, 3035 Limassol, Cyprus

Privacy-first premium connectivity

Product

Features

How It Works

Pricing

FAQ

Company

About OneConnect

Blog

Contact

Support

Legal

Fair Use Policy

Cookie Policy

OneConnect Ltd

Registration No. HE 457873

Cyprus

28 Oktovriou 243, Christiana Sea View Court

Office 301-302, 3035 Limassol, Cyprus