Side-by-side reliability

Oral-B iO 10 (Coolblue second-chance unit) vs Oral-B iO 9 Holiday Edition

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 12–12 months depending on category.

Model A

Oral-B iO 10 (Coolblue second-chance unit)

Reliability signal — · Insufficient data · data confidence Very Low

1 failure reports · Insufficient data · Very Low confidence

Most common failure: Charger Bluetooth dead on arrival (second-chance)
Typical failure age: 0 mo
Median repair cost: —
Highest reported repair: —

Median months

% mfr warranty

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After warranty reports

Avg repair cost

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Top failure categories

Charger Bluetooth dead on arrival (second-chance)1

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Model B

Oral-B iO 9 Holiday Edition