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Data hub

Explore exclusive studies and data-driven analyses conducted by Dipli. Our reports decode the evolution of the circular tech industry, from trade-in adoption to refurbished market maturity and price dynamics, helping professionals deduce insights,
anticipate trends and make informed decisions.

IPSOS x Dipli studies

Trade-in programs and refurbished smartphones: how to better meet circularity across Europe

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This edition goes further. Sharper in scope, richer in insight, now extended to four European markets 

and introducing the first-ever Dipli Circular Index, which measures each market’s level of circular maturity.

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Our study reveals notably how refurb-ready European are, with nearly two thirds of consumers willing to switch

to a refurbished smartphone.

What you will find in our study:


- Explore how consumers think, buy and resell,
- How to convert openness into adoption,
- Uncover the emotional triggers and operational frictions that still shape this fast-evolving market.
- Unlock the next stage of growth.

2025

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2024

In an era where sustainability and consumer behavior intersect, understanding the dynamics of smartphone trade-ins is crucial.

Our study reveals that nearly 70% of consumers in France and Germany have never resold their smartphones, highlighting significant untapped potential in the refurbished market.

What you will find in our study:

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- The barriers and opportunities within trade-in programs,
- Strategic insights for telecom operators aiming to foster a more circular economy,
- How to transform consumer hesitancy into active participation in device refurbishment.

Dipli Circular Index

Revealing how Europe is shifting to circular tech

The Dipli Circular Index is a strategic tool that measures how mature and ready a market is to embrace trade-in and refurbished models. Designed as a true compass for circularity, helping businesses to compare markets, identify growth potential, and make data-driven decisions
to accelerate the shift toward more circular practices.

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The Dipli Circular Index (DCI) measures circular maturity across France, Germany, the UK, and Poland based on insights from over 4,000 respondents.

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Each country's score out of 100 combines two equally weighted components, the Trade-in index and the Refurbished index, built around four dimensions of the customer journey: adoption, satisfaction, NPS, and consideration.

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💡 This dual framework provides a clear, comparable view of circular engagement across European markets.

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Dipli Price Index

Decoding price dynamics in Europe’s refurbished tech

Our price index delivers a strategic, data-driven analysis of refurbished market trends. Powered by our expert insights and extensive data, it decodes monthly

and quaterly price variations and key market drivers.

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A must-read to stay competitive and anticipate shifts in the refurbished tech landscape.

Want to dive deeper into our quarterly price index analysis?
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