UNDO News

Test-Aankoop did the maths: switching easily saves you €100 a year (and UNDO ranks among the best-value picks)

14/07/2026

Heading on holiday? Don’t pay for data you won’t use

30/06/2026

Don’t pay for gigabytes you never use

05/06/2026

Test-Aankoop compared the cheapest mobile plans on the market right now. Their key piece of advice sounds very familiar to UNDO: don’t buy more data than you really need.

What is the cheapest mobile plan in Belgium? Here’s what you really need to know

26/03/2026

Finding the cheapest mobile plan in Belgium seems very simple today.

Looking for a sustainable telecom operator in Belgium? Here’s what you need to know

23/03/2026

The telecom sector plays a key role in our digital lives — but it also has a growing environmental impact.

UNDO offset 139 tons of CO₂ last year – Together we make a difference 🌿

11/04/2025

Between July 25, 2023 and July 24, 2024, we offset no less than 139 tons of CO₂ together with our community.

UNDO x Duurzaam Kantoor: Greener Workspaces, Smarter Businesses 

21/03/2025

At UNDO, we believe that sustainability goes beyond carbon-neutral mobile solutions—it’s about real, measurable impact in every aspect of business.

UNDO x Go Forest: Growing a Greener Belgium Together!

20/03/2025

Chez UNDO, nous pensons que la durabilité ne doit pas se limiter à la compensation des émissions de CO₂

Empower Change: How Your Support Transforms the UNDO Community

11/02/2025

At UNDO, sustainability goes beyond carbon offsetting—it’s about creating real, lasting change for people and the planet.