--- title: Blogs | Circular Economy - Smartphone Testing | OptoFidelity image: https://www.optofidelity.com/hubfs/raw_assets/public/optofidelity-theme/assets/images/optofidelity-default-teaser.jpg description: Circular Economy - Smartphone Testing | Read OptoFidelity's blogs. --- [Skip to content](https://www.optofidelity.com/insights/blogs/tag/circular-economy-smartphone-testing#h1) [OptoFidelity ![OptoFidelity logo](https://www.optofidelity.com/hubfs/raw_assets/public/optofidelity-theme/assets/images/logo.svg) ](https://www.optofidelity.com/en/?hsLang=en) Toggle menu - [ Products ](https://www.optofidelity.com/insights/blogs/tag/circular-economy-smartphone-testing#) - AR/VR/MR Testing [ AR/VR/MR Testing ](https://www.optofidelity.com/en/ar-vr-testing?hsLang=en) Improve the quality of your waveguides and smart glasses with precise test systems - AR/VR products [ Production MTF ](https://www.optofidelity.com/production-mtf?hsLang=en) High-Resolution Automated Waveguide Image Quality Measurement System [ Production IQ ](https://www.optofidelity.com/production-iq?hsLang=en) Automated Waveguide Image Quality Measurement for AR Waveguide Manufacturing [ WG-IQ ](https://www.optofidelity.com/en/products/wg-iq?hsLang=en) Fully automated waveguide image quality measurement system [ WG-GAT ](https://www.optofidelity.com/en/products/wg-gat?hsLang=en) High-accuracy diffractometer for AR waveguide characterization [ BUDDY ](https://www.optofidelity.com/en/products/buddy?hsLang=en) Performance testing system for AR/VR/MR glasses [ Services & support ](https://www.optofidelity.com/en/service-and-support?hsLang=en) Learn more about our services and support. 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Advance your career with OptoFidelity and check our open positions. - [Contact us](https://www.optofidelity.com/en/contact-us?hsLang=en) - Open search Close search This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. # Blogs [![](https://www.optofidelity.com/hs-fs/hubfs/Products/FUSION/FUSION-inside-5.jpg?width=535&height=301&name=FUSION-inside-5.jpg) Blogs | Circular Economy - Smartphone Testing ### Automated Audio Testing in Pre-Owned Phones: Ensuring Quality ](https://www.optofidelity.com/insights/blogs/automated-audio-testing-in-pre-owned-phones-ensuring-quality) [![](https://www.optofidelity.com/hs-fs/hubfs/Products/FUSION/FUSION-inside-6.jpg?width=535&height=301&name=FUSION-inside-6.jpg) Blogs | Circular Economy - Smartphone Testing ### Evolution of Automation in Pre-Owned Smartphone Testing Processes ](https://www.optofidelity.com/insights/blogs/the-evolution-of-automation-in-the-pre-owned-smartphone-testing-processes) [![](https://www.optofidelity.com/hs-fs/hubfs/hazy_and_not.png?width=535&height=301&name=hazy_and_not.png) Blogs | Circular Economy - Smartphone Testing ### Evaluating Second-Hand Smartphone Cameras with Advanced Machine Testing ](https://www.optofidelity.com/insights/blogs/evaluating-second-hand-smartphone-cameras-with-advanced-machine-testing) [![](https://www.optofidelity.com/hs-fs/hubfs/OLED_collection-1.png?width=535&height=301&name=OLED_collection-1.png) Blogs | Circular Economy - Smartphone Testing ### Unveiling Display Defects: Enhancing Quality Assurance with Automatic Testing ](https://www.optofidelity.com/insights/blogs/unveiling-display-defects-enhancing-quality-assurance-with-automatic-testing) [![](https://www.optofidelity.com/hs-fs/hubfs/Products/SCORE/SCORE-outside-7.png?width=535&height=301&name=SCORE-outside-7.png) Blogs | Circular Economy - Smartphone Testing ### Cosmetic condition of pre-owned smartphones - Test Case for OptoFidelity SCORE ](https://www.optofidelity.com/insights/blogs/cosmetic-condition-score) [![](https://www.optofidelity.com/hs-fs/hubfs/03.%20Products/RATA_for_smartphone_inside%20%282%29.png?width=535&height=301&name=RATA_for_smartphone_inside%20%282%29.png) Blogs | Circular Economy - Smartphone Testing ### The Significance of Objectivity and Repeatability in Smartphone Testing and grading ](https://www.optofidelity.com/insights/blogs/the-significance-of-objectivity-and-repeatability-in-smartphone-testing-and-grading) [![](https://www.optofidelity.com/hs-fs/hubfs/03.%20Products/05.%20SCORE/OptoFidelity%20SCORE%20news.jpg?width=535&height=301&name=OptoFidelity%20SCORE%20news.jpg) Blogs | Circular Economy - Smartphone Testing ### Machine vision-based cosmetic defect detection enhanced with AI - Make or break your used smartphones business case ](https://www.optofidelity.com/insights/blogs/machine-vision-based-cosmetic-defect-detection-enhanced-with-ai-make-or-break-your-used-smartphones-business-case) [![](https://www.optofidelity.com/hs-fs/hubfs/03.%20Products/09.%20Other%20product%20pictures/Refurbishment_Fusion.jpg?width=535&height=301&name=Refurbishment_Fusion.jpg) Blogs | Circular Economy - Smartphone Testing ### OptoFidelity FUSION Q4/2022 SW release ](https://www.optofidelity.com/insights/blogs/optofidelity-fusion-q4/2022-sw-release) [![](https://www.optofidelity.com/hs-fs/hubfs/Products/FUSION/OptoFidelity_Fusion_inside.jpg?width=535&height=301&name=OptoFidelity_Fusion_inside.jpg) Blogs | Circular Economy - Smartphone Testing ### FUSION Hardware Development Over the Years ](https://www.optofidelity.com/insights/blogs/fusion-hardware-development-over-the-years) [![Circular Economy](https://www.optofidelity.com/hs-fs/hubfs/circ%20econ.png?width=535&height=301&name=circ%20econ.png) Blogs | Circular Economy - Smartphone Testing ### Promoting Sustainable Consumer Electronics Through Smartphone Refurbishment and a Circular Economy ](https://www.optofidelity.com/insights/blogs/promoting-sustainable-consumer-electronics-through-refurbishment-and-a-circular-economy) [![](https://www.optofidelity.com/hs-fs/hubfs/Products/FUSION/OptoFidelity%20SCORE%20news.jpg?width=535&height=301&name=OptoFidelity%20SCORE%20news.jpg) Blogs | Circular Economy - Smartphone Testing ### Grading automation saves money and improves customer satisfaction ](https://www.optofidelity.com/insights/blogs/automated-grading-saves-money-and-improves-customer-satisfaction) [![](https://www.optofidelity.com/hs-fs/hubfs/Blogs_Landingpages/CSO/AdobeStock_278871052.jpeg?width=535&height=301&name=AdobeStock_278871052.jpeg) Blogs | Circular Economy - 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