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What is eSIM?

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Illustration of eSIM technology

eSIM Defined

eSIM (embedded SIM) is a digital SIM that allows you to activate a mobile plan without a physical SIM card.

It’s built right into your device, making it easy to switch providers and manage multiple plans.

How eSIM Works

The eSIM tech uses a tiny built‑in chip that can be set up remotely to link with different carriers. Check device compatibility

This new method gives flexibility and removes the need for physical SIM swapping when switching or travelling.

Diagram showing eSIM functionalityDecorative background for eSIM section

eSIM Setup Guide

Step-by-step instructions to set up eSIM on your devices.
Setting Up eSIM on iPhone
Setting Up eSIM on Android
Using QR Code for eSIM
iPhone settings icon
10GB
Most travelers choose 🔥
À partir de$8.40 (30 days)
Selected eSIM plan on device
1
Open Settings

Go to phone settings to begin eSIM activation.

Add cellular plan screen on iPhone
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2
Add Cellular Plan

Tap to add new cellular plan using eSIM.

iPhone scanning QR code
Selected eSIM plan on device
3
Scan QR Code

Use your camera to scan given eSIM QR code.

iPhone settings icon
10GB
Most travelers choose 🔥
À partir de$8.40 (30 days)
Selected eSIM plan on device
1
Open Settings

Go to phone settings to begin eSIM activation.

Add cellular plan screen on iPhone
Loading...
2
Add Cellular Plan

Tap to add new cellular plan using eSIM.

iPhone scanning QR code
Selected eSIM plan on device
3
Scan QR Code

Use your camera to scan given eSIM QR code.

10GB
Most travelers choose 🔥
À partir de$8.40 (30 days)
Selected eSIM plan on device
1
Open Settings

Go to phone settings to begin eSIM activation.

Selected eSIM plan on device
Loading...
2
Add Cellular Plan

Tap to add new cellular plan using eSIM.

Selected eSIM plan on device
3
Scan QR Code

Use your camera to scan given eSIM QR code.

10GB
Most travelers choose 🔥
À partir de$8.40 (30 days)
Selected eSIM plan on device
1
Open Settings

Go to phone settings to begin eSIM activation.

Selected eSIM plan on device
Loading...
2
Add Cellular Plan

Tap to add new cellular plan using eSIM.

Selected eSIM plan on device
3
Scan QR Code

Use your camera to scan given eSIM QR code.

1
Access QR Code

Find the eSIM QR code from HelloRoam.

2
Open Camera

Use your camera app to scan the QR code.

3
Install eSIM

Follow on-screen prompts to complete eSIM setup.

1
Access QR Code

Find the eSIM QR code from HelloRoam.

2
Open Camera

Use your camera app to scan the QR code.

3
Install eSIM

Follow on-screen prompts to complete eSIM setup.

Advantages of eSIM

Disadvantages of eSIM

Discover how eSIM improves mobile connectivity.

See potential downsides of eSIM tech.

No high roaming fees

No high roaming fees

Travellers can purchase an eSIM to connect to local carriers and avoid surprise roaming charges.

Multiple profiles

Multiple profiles

A device can store multiple eSIMs, making switching between numbers easy.

Pay for what you need

Pay for what you need

Travelling for a week? Get a 7-day plan instead of monthly, save for what matters.

Save space

Save space

Without a physical SIM slot, there’s more room for features or a bigger battery.

Cannot be lost or stolen.

Cannot be lost or stolen.

Swapping SIM cards while travelling can be tricky. With eSIM built-in, no risk of loss or theft.

Less waste

Less waste

Constantly replacing SIMs hurts the planet. Switch to eSIM.

No high roaming fees

No high roaming fees

Travellers can purchase an eSIM to connect to local carriers and avoid surprise roaming charges.

Multiple profiles

Multiple profiles

A device can store multiple eSIMs, making switching between numbers easy.

Pay for what you need

Pay for what you need

Travelling for a week? Get a 7-day plan instead of monthly, save for what matters.

Save space

Save space

Without a physical SIM slot, there’s more room for features or a bigger battery.

Cannot be lost or stolen.

Cannot be lost or stolen.

Swapping SIM cards while travelling can be tricky. With eSIM built-in, no risk of loss or theft.

Less waste

Less waste

Constantly replacing SIMs hurts the planet. Switch to eSIM.

Device Compatibility

Device Compatibility

Not every device supports eSIM—verify compatibility before relying on it.

Limited Availability on Older Devices

Limited Availability on Older Devices

Older devices might not include eSIM, limiting user choices.

Complex Setup for Some Users

Complex Setup for Some Users

Some users may find setup more complex.

Multiple Carrier Support

Multiple Carrier Support

Not all carriers support eSIM.

Data Transfer Challenges

Data Transfer Challenges

Transferring eSIM profiles can be harder than with physical SIMs.

Potential for Limited Roaming Capabilities

Potential for Limited Roaming Capabilities

eSIM may offer less roaming coverage in some regions.

Device Compatibility

Device Compatibility

Not every device supports eSIM—verify compatibility before relying on it.

Limited Availability on Older Devices

Limited Availability on Older Devices

Older devices might not include eSIM, limiting user choices.

Complex Setup for Some Users

Complex Setup for Some Users

Some users may find setup more complex.

Multiple Carrier Support

Multiple Carrier Support

Not all carriers support eSIM.

Data Transfer Challenges

Data Transfer Challenges

Transferring eSIM profiles can be harder than with physical SIMs.

Potential for Limited Roaming Capabilities

Potential for Limited Roaming Capabilities

eSIM may offer less roaming coverage in some regions.

9:41
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Explore eSIM Options
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United States
Nationwide coverage with flexible plans.
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Available Networks
From$2.88USD
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Turkey
Reliable connectivity across Turkey.
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From$1.73USD
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Canada
Affordable data plans across Canada.
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Available Networks
From$6.14USD
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Japan
Stay connected in Japan with ease.
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From$3.53USD
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Is Your Device Compatible?

Learn if your smartphone supports eSIM technology.

Check Now

eSIM vs SIM Card

Compare traditional SIM cards with eSIM technology.

eSIM
SIM
Activation iconActivation
Instant activation via app
Requires physical card and setup
Physical Space iconPhysical Space
Built into device, no extra space required
Needs SIM card slot
Switching Plans iconSwitching Plans
Easily switch plans through app
Change SIMs to switch plans
Availability iconAvailability
Supported in 176+ countries with HelloRoam
Availability may vary by carrier
Durability iconDurability
No risk of losing or damaging
Prone to damage or loss
Environmental Impact iconEnvironmental Impact
No plastic waste
Creates plastic waste with each card

Cost Comparison

See how eSIM tech can save you money over regular roaming.

eSIM
Int'l Roaming
Local SIM
Pocket WiFi
Initial Setup Cost
$0 - No physical card required
$0 - Uses existing plan
$5 - $10 for SIM card
$50 - $100 for device rental
Data Cost per GB
$5 - $15
$10 - $30
$3 - $10
$8 - $15
Daily Cost for 1GB Data
$5 - $10
$10 - $20
$3 - $8
$8 - $12
Coverage
176+ countries
Varies by carrier
Single country
Varies by rental company
Convenience
Instant activation through app
Automatic with carrier
Requires physical purchase
Device rental/return required
Contract/Commitment
No contracts
May require existing plan
Prepaid, no contracts
Rental agreement required
Savings illustration with eSIM

Experience
Major Savings

Switch to eSIM with HelloRoam for affordable international data plans.

Explore Plans

Troubleshooting

Find solutions for eSIM setup and usage.

eSIM Not Activating
Ensure your device supports eSIM and is updated. Restart and try again in HelloRoam.
No Mobile Data Connection
Check data settings, toggle airplane mode, or restart. Confirm your plan in HelloRoam.
Cannot Add eSIM to Device
Confirm device supports multiple eSIMs. Remove one and add HelloRoam again.
Poor Signal Reception
Check coverage or manually select network.
eSIM Profile Deleted Accidentally
Re-download with QR code via HelloRoam. Contact 24/7 support.
Roaming Charges Applied
HelloRoam doesn’t charge hidden roaming fees. Review your bill.

eSIM FAQs

An eSIM is a digital SIM you can activate without a physical card.

It works by downloading a SIM profile, connecting you digitally.

SIM is physical; eSIM is built-in and remote-configurable.

Built into hardware, supporting multiple carriers.

On iPhone: Settings > Cellular > Add Plan, scan QR.

On Android: Settings > Network & Internet > Mobile Network > Add Carrier.

Used for flexible mobile connectivity.

Helps travellers switch networks easily.

Yes, available on Samsung.

Benefits: convenience, flexibility, multi-profile.

Not all phones have eSIM.

Yes, dual SIM possible.

Check your specs.

Follow steps or contact support.

Usually no charge for switching.

Yes, works for data-only.

Secure and encrypted.

Transferable to new device.

Ready to Switch to eSIM?
Experience the future of connectivity with HelloRoam. Get started today.
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Secure payment guaranteed

Visa - accepted payment method for eSIM purchasesMastercard - accepted payment method for eSIM purchasesApple Pay - accepted payment method for eSIM purchasesPayPal - accepted payment method for eSIM purchasesAlipay - accepted payment method for eSIM purchasesGoogle Pay - accepted payment method for eSIM purchases

X / TwitterInstagramFacebookLinkedIn
Download HelloRoam eSIM app on Google Play - travel data plans
Get it on
Google Play
Download on the
App Store

Apple® marks are owned by Apple Inc. Google Play and its logo are trademarks of Google LLC.

PCI DSS compliant - secure eSIM payment processingSecure payment encryption for eSIM purchases

Secure payment guaranteed

Visa - accepted payment method for eSIM purchasesMastercard - accepted payment method for eSIM purchasesApple Pay - accepted payment method for eSIM purchasesPayPal - accepted payment method for eSIM purchasesAlipay - accepted payment method for eSIM purchasesGoogle Pay - accepted payment method for eSIM purchases
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