We moved my wife's number to the new service. Initially, we considered switching to another provider due to their lower rates, but we truly value the seamless experience with the current service. Whenever we required assistance, the support team was readily available to help us over the phone. The only drawback was that the complete transfer took nearly 2 hours, but everything has been functioning perfectly since then.
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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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