undo.be

4.2 Based on 39 reviews

UNDO is Belgium’s first climate-neutral mobile operator. We combine affordable mobile plans with real impact: CO₂ compensation, reforestation in Congo and Belgium, and Zero Waste on all our subscriptions. With us, unused data, minutes and texts don’t disa...

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Jayden Hughes Guest

4 months ago

Acceptable despite registration issues

The registration process was frustrating, likely due to a multi-day outage at the time. I finally managed to get my e-sim, and it appears to be working. I will update my rating after further testing.

Date of experience: Oct 06, 2025

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Business Details

UNDO is Belgium’s first climate-neutral mobile operator.
We combine affordable mobile plans with real impact: CO₂ compensation, reforestation in Congo and Belgium, and Zero Waste on all our subscriptions.
With us, unused data, minutes and texts don’t disappear — they roll over to the next month.
No waste, no fine print — just honest mobile. Starting from €4/month.

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email support@undo.be
call +32490461999
language https://undo.be/

undo.be

Business profile not claimed

Acceptable despite registration issues

Date of experience: Oct 06, 2025

Is this your business?

Business Details

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