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What is eSIM?

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Illustration of eSIM technology

Definition of eSIM

eSIM, or embedded SIM, is a digital SIM enabling you to activate a mobile plan without a physical SIM card.

It’s built into your device, making it simple to switch networks and handle multiple plans without changing cards.

How eSIM Works

eSIM technology works by embedding a tiny chip inside your device, programmable remotely to connect to various mobile networks. Check device compatibility

This innovative approach provides flexibility and removes the need for physical SIM swaps when changing networks or travelling.

Diagram showing eSIM functionalityDecorative background for eSIM section

eSIM Setup Guide

Step-by-step guide to set up your eSIM on different devices.
Set Up eSIM on iPhone
Set Up eSIM on Android
Using QR Code for eSIM
iPhone settings icon
10GB
Most travelers choose 🔥
Starting from$8.40 (30 days)
Selected eSIM plan on device
1
Open Settings

Go to phone settings to start eSIM activation.

Add mobile plan screen on iPhone
Loading...
2
Add Mobile Plan

Tap to add a new plan using the eSIM feature.

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

Use your phone camera to scan the given eSIM QR code.

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

Go to phone settings to start eSIM activation.

Add mobile plan screen on iPhone
Loading...
2
Add Mobile Plan

Tap to add a new plan using the eSIM feature.

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

Use your phone camera to scan the given eSIM QR code.

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

Go to phone settings to start eSIM activation.

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

Tap to add a new plan using the eSIM feature.

Selected eSIM plan on device
3
Scan QR Code

Use your phone camera to scan the given eSIM QR code.

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

Go to phone settings to start eSIM activation.

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

Tap to add a new plan using the eSIM feature.

Selected eSIM plan on device
3
Scan QR Code

Use your phone camera to scan the given eSIM QR code.

1
Access QR Code

Find the eSIM QR code from HelloRoam.

2
Open Camera

Use your device camera app to scan the QR code.

3
Install eSIM

Follow on-screen prompts to finish eSIM installation.

1
Access QR Code

Find the eSIM QR code from HelloRoam.

2
Open Camera

Use your device camera app to scan the QR code.

3
Install eSIM

Follow on-screen prompts to finish eSIM installation.

Advantages of eSIM

Disadvantages of eSIM

Discover the benefits of eSIM technology for mobile travel.

Learn the possible drawbacks of eSIM.

No costly roaming

No costly roaming

Travellers can buy an eSIM to connect to local networks and avoid unexpected roaming fees.

Multiple profiles

Multiple profiles

A device can hold several eSIMs, allowing easy switching between networks and numbers.

Pay only for what you need

Pay only for what you need

Travelling for a week? Choose a 7-day plan instead of a monthly one and save for what matters.

Save space

Save space

No physical SIM slot means room for a larger battery or new features.

Can't be lost or stolen.

Can't be lost or stolen.

Changing SIMs abroad can be awkward. With eSIM built in, there's no risk of loss or theft.

Less waste

Less waste

New SIMs every trip harm the planet. Go eSIM.

No costly roaming

No costly roaming

Travellers can buy an eSIM to connect to local networks and avoid unexpected roaming fees.

Multiple profiles

Multiple profiles

A device can hold several eSIMs, allowing easy switching between networks and numbers.

Pay only for what you need

Pay only for what you need

Travelling for a week? Choose a 7-day plan instead of a monthly one and save for what matters.

Save space

Save space

No physical SIM slot means room for a larger battery or new features.

Can't be lost or stolen.

Can't be lost or stolen.

Changing SIMs abroad can be awkward. With eSIM built in, there's no risk of loss or theft.

Less waste

Less waste

New SIMs every trip harm the planet. Go eSIM.

Device Compatibility

Device Compatibility

Not all devices support eSIM technology. Check your phone’s compatibility before relying on it.

Limited Availability on Older Devices

Limited Availability on Older Devices

Older handsets may lack eSIM support, reducing options for non-upgraded users.

Complex Setup for Some Users

Complex Setup for Some Users

While activation is simple, setup may feel complicated for some.

Multiple Carrier Support

Multiple Carrier Support

eSIM can store multiple profiles, but not all networks support it.

Data Transfer Challenges

Data Transfer Challenges

Moving eSIM profiles can be trickier than physical SIMs.

Potential for Limited Roaming Capabilities

Potential for Limited Roaming Capabilities

In some areas, eSIM may have limited roaming reach.

Device Compatibility

Device Compatibility

Not all devices support eSIM technology. Check your phone’s compatibility before relying on it.

Limited Availability on Older Devices

Limited Availability on Older Devices

Older handsets may lack eSIM support, reducing options for non-upgraded users.

Complex Setup for Some Users

Complex Setup for Some Users

While activation is simple, setup may feel complicated for some.

Multiple Carrier Support

Multiple Carrier Support

eSIM can store multiple profiles, but not all networks support it.

Data Transfer Challenges

Data Transfer Challenges

Moving eSIM profiles can be trickier than physical SIMs.

Potential for Limited Roaming Capabilities

Potential for Limited Roaming Capabilities

In some areas, eSIM may have limited roaming reach.

9:41
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Explore eSIM Options
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United States
Nationwide coverage and flexible plans.
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Available Networks
From$2.88USD
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Turkey
Reliable connectivity across Turkey.
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Available Networks
From$1.73USD
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Canada
Affordable data plans throughout 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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Available Networks
From$3.53USD
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Is Your Device Compatible?

See if your smartphone supports eSIM technology.

Check Now

eSIM vs SIM Card

Compare traditional SIM cards with modern eSIM technology.

eSIM
SIM
Activation iconActivation
Instant activation via app
Needs a physical card and setup
Physical Space iconPhysical Space
Built into device, no additional space required
Requires SIM slot
Plan Switching iconPlan Switching
Easily switch plans through app
Change SIM cards to swap plans
Availability iconAvailability
Supported in 176+ countries with HelloRoam
Availability varies by network
Durability iconDurability
No risk of loss or damage
Susceptible to damage or loss
Environmental Impact iconEnvironmental Impact
No plastic waste
Produces plastic waste with each card

Cost Comparison

See how eSIM tech saves you money versus traditional roaming charges.

eSIM
Int'l Roaming
Local SIM
Pocket WiFi
Initial Setup Cost
£0 - No physical card needed
£0 - Uses current plan
£5 - £10 for SIM card
£50 - £100 for device hire
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 network
Single country
Varies by rental firm
Convenience
Instant activation via app
Automatic with network
Requires physical purchase
Requires device hire and return
Contract/Commitment
No contracts
May require current plan
Prepaid, no contracts
Hire agreement required
Savings illustration with eSIM

Experience
Big Savings

Switch to eSIM with HelloRoam for affordable international data plans.

Explore Plans

Troubleshooting

Find solutions to common eSIM issues.

eSIM Not Activating
Ensure your handset supports eSIM and is up to date. Restart and activate again via HelloRoam.
No Mobile Data Connection
Verify mobile data is on. Toggle flight mode or reboot. Check your plan in HelloRoam.
Cannot Add eSIM to Device
Confirm support for multiple eSIMs and free space. Remove one and add HelloRoam again.
Poor Signal Reception
Check your network coverage. Move or manually select a carrier.
eSIM Profile Deleted Accidentally
Re-download via QR code or activation info in HelloRoam. Contact 24/7 support if required.
Roaming Charges Applied
HelloRoam has no hidden roaming fees. Review bill and confirm correct eSIM profile.

eSIM FAQs

An eSIM is a digital SIM that lets you start a plan without a physical card.

It downloads a SIM profile to your device so you can connect without a physical SIM.

A SIM is physical; eSIM is built-in and programmable remotely.

Integrated at manufacture for multiple provider profiles.

On iPhone: Settings > Mobile Data > Add Plan, scan QR.

On Android: Settings > Network & Internet > Mobile Network > Add Network, scan QR.

Connects to networks without a physical SIM—perfect for travellers.

Allows abroad network switching without roaming charges.

Yes, Samsung supports eSIM.

Convenient and flexible; manage multiple profiles.

Only some phones have eSIM.

Yes, supports dual SIM setup.

Check your phone specs or settings.

Ensure compatibility, follow steps or contact support.

Switching usually free.

Yes, supports data-only plans.

Secure by encryption.

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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