Conclusion
Although the QMobile Noir Z4 is discontinued and rooted in technology from 2013, it captures the essence of that period with a balance of performance, display quality, and design aesthetic. At an original price point of around 200 EUR, it offered good value for money for a mid-range device. The Noir Z4 remains a practical option for those seeking a basic smartphone or for collectors interested in preserving a piece of smartphone history.