Lumo

Help for every step of the trip

Setup guides, quick fixes and straight answers for your Lumo eSIM.

  1. Plan purchasedemail
  2. QR code scannedcamera
  3. eSIM profile installedsettings
  4. Lumo set as data linemobile data
  5. Data roaming onlumo line
  6. Connected5G
● setting up…≈ 1 min

[ 01 / 04 ]Browse topics

Start where you are

[ 02 / 04 ]Setup guide

Install in four taps

  1. 01

    Open Settings

    Go to Cellular, then tap Add eSIM.

  2. 02

    Scan your QR code

    Choose Use QR Code and scan the code from your email.

  3. 03

    Label the line

    Name it “Lumo” and keep your primary line for calls and texts.

  4. 04

    Turn it on abroad

    Set Cellular Data to Lumo and switch on Data Roaming.

Menu names vary by manufacturer and OS version.

Where to tap on iPhone

To install

  1. Settings
  2. Cellular
  3. Add eSIM
  4. Use QR Code

When you land

  1. Cellular Data
  2. Lumo
  3. Data Roaming on

Data Roaming must be on for the Lumo line. Plans are prepaid, so it never adds charges.

[ 03 / 04 ]Troubleshooting

Something not working?

  • no connection

    Installed, but no internet

    1. 01Set Lumo as your cellular / mobile data line.
    2. 02Turn on Data Roaming for the Lumo line. It is required and adds no charges.
    3. 03Toggle Airplane mode on and off, or restart your phone.
  • install

    The QR code won’t scan

    1. 01Stay on Wi‑Fi or another connection while installing.
    2. 02Open the QR code on a second screen at full size.
    3. 03Still failing? Contact support and we will walk you through it.
  • data

    My data is running low

    1. 01Contact support with your order email or order number to get your balance.
    2. 02Top up the same eSIM. No new QR code or reinstall needed.
  • calls & sms

    Calls and texts don’t work

    1. 01Lumo is data-only: there is no phone number on the eSIM.
    2. 02Keep your primary SIM on for calls and texts.
    3. 03Use WhatsApp, iMessage or FaceTime over Lumo data.

[ 04 / 04 ]FAQ

Frequently asked

Everything about buying, installing and using a Lumo eSIM.

Before you buy

What is an eSIM and how is it different from a physical SIM?

An eSIM is a digital SIM built into your phone. Instead of inserting a plastic card, you scan a QR code and a travel data plan installs in seconds — nothing to ship, swap, or lose.

Which phones can use a Lumo eSIM?

Any phone that supports eSIM. Some models, including some Android phones, don't support it. Check your phone's specs before you buy.

Do you sell physical SIM cards?

No. We only sell digital eSIMs.

Do I need to create an account to buy?

No. You can buy as a guest and check out in seconds — no account, registration, or password required. We only need an email address to deliver your QR code.

Can I use a Lumo eSIM in an eSIM router?

Yes. We suggest testing it with a small plan first. If it works, top it up or buy a bigger plan.

Does the eSIM come with a phone number? Can I make calls or send SMS?

No. Our eSIMs are data-only. They have no phone number, so you can't make calls, send SMS or receive SMS verification codes. Apps like WhatsApp work over data.

Which countries are covered?

Lumo works across 180+ countries and territories through tier-one carrier partners, automatically connecting you to the strongest local network with 5G/4G where available.

Which countries does a regional plan cover?

Only the countries listed on the destination page. For example, North America covers the USA, Canada and Mexico. Other countries, such as the Bahamas, have their own plans.

Will a single-country plan work in other countries?

No. It only works in the country it was bought for.

Is the data allowance per day or for the whole plan?

Unlimited plans: per day. All other plans: for the whole plan period.

How do “Unlimited” plans work?

There’s no limit on total data. Each day you get a set amount of full-speed data (“Daily full speed data” on the plan page). Once it’s used, speed drops to the “Fair use speed” until it resets 24 hours later.

Are there any roaming fees or contracts?

None. Plans are prepaid with no contracts and no surprise roaming charges — you only pay for the data you buy up front.

Can I pay in euros?

Yes. Choose EUR at checkout.

Is there an Android app?

No. You install the eSIM with the QR code or link in your purchase email.

Installation & activation

Can I install the eSIM before my trip?

Yes. It connects once you arrive in the destination country. Make sure Data Roaming is on for the eSIM.

How long does activation take?

Usually 1–15 minutes. In some cases it can take up to an hour.

Installation fails or is stuck on “Activating”. What should I do?

Try these in order:

  1. 01Go somewhere with good mobile coverage.
  2. 02Restart your phone and try again.
  3. 03If it still fails, install it manually. Go to Settings > Cellular (or Mobile Network) > Add eSIM > Enter Details Manually. Copy and paste the SM-DP+ address and activation code from your email instead of typing them. If you’re asked for a confirmation code, leave it empty and tap Next.
Do I need to enter an extra activation code after installing?

No. Once the eSIM is installed, activation happens automatically.

My iPhone says “Unable to activate” or “Contact your provider”.

The eSIM has usually been added anyway. Check that it appears in your eSIM list. Then turn on Data Roaming for it, set it as your Cellular Data line and wait a few minutes. If there’s still no data, select a network manually (see below).

My account says “Available”, not “Active”.

The status updates with a delay. If you have data, the eSIM is working.

The QR code says “This code is no longer valid”.

Delete the Lumo eSIM from your phone and scan the QR code again. If that doesn’t work, contact support.

Can I move my eSIM to another phone?

No. Once an eSIM is installed, it can’t be moved to a different device.

No internet / connection problems

The eSIM is installed but I have no internet.

Check these in order:

  1. 01Turn on Data Roaming for the Lumo eSIM. Do this on the eSIM line, not your main SIM.
  2. 02Set the Lumo eSIM as your mobile data line. On iPhone: Settings > Cellular > Cellular Data.
  3. 03Turn off any VPN.
  4. 04Turn Airplane Mode on for 10 seconds, then off, or restart your phone.
  5. 05Turn off automatic network selection, wait 30 seconds and pick a network from the list by hand. You can switch back to Auto later.
I have signal bars but no data on Android.

Your phone may need the APN set manually. Contact support to get the correct APN for your plan. Then add it: Mobile Network > Access Point Names > “+”. Enter any name, the APN value we give you, and APN type “default”. Save it, select it and restart your phone.

I crossed into another country on a regional plan and lost internet.

If you had selected a network by hand, set Network Selection back to Auto. If there’s still no connection, pick one of the available local networks by hand. You may need to do this in each new country.

My eSIM was working and suddenly shows no signal.

There’s probably no coverage from our partner network where you are. Turn the eSIM off and on, or restart your phone. Moving to a different spot usually helps.

The signal shows “E” or the connection is very slow.

“E” is the slowest network type. Wait 5–15 minutes for 4G/5G to register. Also check that your preferred network type is set to 5G Auto or LTE, not 2G/3G. Speed depends on coverage where you are, so a different location often helps.

My unlimited plan is suddenly slow.

You’ve probably used today’s full-speed allowance. Speed goes back to normal when it resets 24 hours later. To save data, turn on Data Saver, pause app and system updates, and avoid running speed tests. One speed test can use 200–600 MB.

Data & top-ups

How do I check how much data I have left?

Contact support with the email you used to order or your order number. We’ll send your balance and a link where you can check your usage.

What happens when my data runs out?

Your connection stops or slows down until you add more data. Top up the same eSIM or buy a new plan.

Can I add data to my existing eSIM?

Yes, if the plan page says “Top-up available”. Use the “Top Up” link in your purchase email, or ask support to send it again.

Refunds

Can I get a refund?

Yes, if the eSIM hasn’t been activated and you ask within 7 days of purchase. After activation, or after 7 days, we can’t refund it. That includes problems with device compatibility, coverage or speed. To request a refund, contact support.

Still stuck? Ask a human.

Include your order email so we can find your eSIM right away.

Contact supportGo to account