Four plans. What you don’t use, you keep.
A Belgian mobile provider on Orange’s 5G network, with plans from 4 GB to 40 GB of data. No minimum contract term, your number comes with you, and for every new subscription we plant a tree.
Our plans
With every plan
- What you have left, you keep
- Your full bundle, in the EU too
- You keep your number
- Cancel any month
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Zero Waste
€4 a month
Everything you need, nothing you waste.
Choose this plan (Zero Waste)Included:
- 4 GB data
- 400 minutes of calls
- 400 SMS
1 tree planted at activation
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Most popular
Rise
€8 a month
The best balance between price and usage.
Choose this plan (Rise)Included:
- 8 GB data
- 800 minutes of calls
- 800 SMS
1 tree planted at activation
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Boost
€18 a month
For those who want more, without compromise.
Choose this plan (Boost)Included:
- 30 GB data
- Unlimited calls
- 100 SMS
1 tree planted at activation
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Wild
€24 a month
Total freedom, and a new tree every month.
Choose this plan (Wild)Included:
- 40 GB data
- Unlimited calls
- Unlimited SMS
1 tree planted per month
Plan finder
Find out in four questions which plan suits you.
Answer four questions about your usage and your current bill. We show which plan suits you and how much you save.
This subscription suits you
Zero Waste
€4 a month
- 4 GB data
- 400 minutes of calls
- 400 SMS
- 1 tree planted at activation
This subscription suits you
Rise
€8 a month
- 8 GB data
- 800 minutes of calls
- 800 SMS
- 1 tree planted at activation
This subscription suits you
Boost
€18 a month
- 30 GB data
- Unlimited calls
- 100 SMS
- 1 tree planted at activation
This subscription suits you
Wild
€24 a month
- 40 GB data
- Unlimited calls
- Unlimited SMS
- 1 tree planted per month
Switching
Switching takes three steps.
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Choose your plan
With an eSIM or a physical SIM card.
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Confirm with itsme
Log in with itsme and confirm your order. An eSIM is usually active within the hour.
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Keep your number
We handle the transfer. Your old subscription stops automatically.
Extras
Your plan is complete. Want more? Order it in the app.
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Extra data or texts
2, 5, 10 or 20 GB extra, or unlimited texts. From €2 a month. Need more for just one month? You pay €1 per extra GB.
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Extra trees
Plant 1 to 3 trees every month in our forest in Congo, or trees in Belgium with Go Forest. From €1.50 a month.
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Support projects
Support a project in Ibi Village, such as education, medical care or the bees, for €0.50 a month. Or support more certified projects that remove CO₂ from the air, from €1 a month.
Rates
Good to know
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First invoice
You pay from the day your subscription becomes active. Your first invoice therefore also includes that part of the first month.
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Abroad
In the EU you use your bundle like at home. Outside the EU, separate rates apply per country.
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Unlimited
For normal personal use, up to 10,000 minutes or texts a month.
With every new plan
A tree in our own forest, and you choose which project you support.
When you activate, we plant a tree in our forest in Ibi Village, Congo. With Wild, another one every month.
And with every plan you support certified climate projects with CO₂ credits. In the app you choose the project yourself.
What our customers say
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5 out of 5 stars
Happy purchase
From ordering eSIM to get connected took less than 3 hours. I had few questions while ordering and they helped me immediately by the chat. I'm very satisfied with their price and service, and happy to plant a tree!
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5 out of 5 stars
Extremely easy order
Extremely easy order prices and fast delivery. Activation went smoothly too. This was my second SIM. Have been using my first one for over a year now without issues. Contacting customer services is usually fast and efficient.
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5 out of 5 stars
Quick and clear answers
Quick and clear answers.
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5 out of 5 stars
Very friendly lady on the telephone
very friendly lady on the telephone.everything went good and nice
Frequently asked questions
All about switching and cancelling
Can I keep my number?
Yes, and it's free. When you order, you say you want to keep your current number and give the details of your current operator. We handle the transfer.
Enter your customer number and the SIM card number of your old operator exactly. A mistake there is the most common reason a transfer is refused.
Your old SIM card keeps working until the transfer is done. You get a text as soon as your number is active with UNDO.
Your old subscription ends automatically. You don't need to cancel it yourself.
You can follow the status in the app or in My UNDO, under YOUR TARIFF. As long as the box around your number is grey, the transfer is still running. Once it turns green, your number is active.
How long does switching take?
With an eSIM you're usually active within the hour. A classic SIM card is shipped within 1 working day and usually delivered by courier within 2 working days.
If you keep your number, the transfer usually takes less than 24 hours. That depends on your current operator, who has to release your number. Until then, your old SIM card keeps working.
Does UNDO work with an eSIM or a classic SIM card?
Both. When you order, you choose an eSIM or a classic SIM card. If you choose an eSIM, you enter the brand and model of your smartphone and we check right away whether your device supports eSIM.
An eSIM costs nothing extra, you get it by email and it's usually active within the hour. A classic SIM card is a multi-size SIM card: you push out the right size yourself (standard, micro or nano). Shipping it costs €5.
Can I change my subscription?
Yes. In the app or in My UNDO, click MANAGE under YOUR TARIFF and choose CHANGE SUBSCRIPTION. Pick the new subscription and confirm.
Your new subscription starts on the first day of the next month. Until then you stay on your current subscription, and as long as the new month hasn't started, you can still cancel or change the switch.
What happens if I use up my data?
You just keep surfing and pay €1 per extra GB, up to the out of bundle limit you set yourself. Once you reach that limit, your usage outside your bundle is blocked until the end of the month.
Often need more? Add an extra bundle in the app, from €2 a month, or switch to a bigger subscription.
How do I cancel my subscription?
Cancelling takes three steps:
Download the cancellation form and fill it in.
Send it to support@undo.be.
We stop your number and confirm by email.
At the start of the next month you get one last invoice, for your usage and your subscription up to the day your number stops.
Taking your number to another operator? Then your UNDO subscription ends automatically once the transfer is done. You don't need to cancel anything.
