Boost
30 GB of data, unlimited calls and 100 texts for €18 a month. One tree at activation.
What’s included
Boost up close
- Data
- 30 GB in Belgium and the EU
- Calls
- Unlimited
- SMS
- 100
- Network
- Orange, 4G and 5G
- EU roaming
- Your full bundle, in the EU too
- SIM card
- eSIM or physical SIM card
- Trees
- 1 at activation
- Notice period
- None, cancel any month
Boost not quite right?
Compare all plans-
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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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
Who is UNDO?
A Belgian mobile provider with its own forest.
UNDO runs on Orange’s 5G network. Switching, your invoice and your usage are all handled online or in the app.
For every new subscription, we plant a tree in our own forest in Ibi Village, Congo. And every month you get CO₂ credits to support a certified climate project of your choice, at no extra cost.
How it works
Who is Boost for?
For people who call a lot and need more data, for example for work on the go or to share their connection with a laptop now and then. Send lots of texts or need more data? Wild has unlimited texts and 40 GB.
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Unlimited calls
You call without counting, in the EU too. For normal personal use.
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Data and texts carry over
Data and texts you don’t use in a month carry over to the next month. That month, you use them up first.
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A tree and CO₂ credits
When you activate, we plant a tree in our forest in Congo. And we support certified climate projects with CO₂ credits.
Frequently asked questions
Questions about Boost
What happens to the data, minutes and texts I don't use?
You take them with you to the next month.
At the end of the month, whatever you have left rolls over.
The next month you use that up first, and only then your new bundle.
Whatever is still left after that expires. So rollover always applies for one month.
With Boost, data and texts roll over; with Wild, only data. You see what you have left in the app or in My UNDO under YOUR TARIFF. If you cancel or take your number to another operator, it expires.
What does calling and surfing in the EU cost?
Nothing extra. In the EU you use your bundle just like in Belgium. Once your bundle is used up, you pay €0.10 per minute, €0.05 per text and €0.001 per MB, just like at home.
You'll find the prices outside the EU per country on the Rates page.
How do I set up a personal hotspot?
On an iPhone you need to enter a separate APN for the hotspot. Go to Settings > Mobile Service > Mobile Data Network. Under Personal Hotspot APN, enter: mworld.be.
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.
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.
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.
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.
