Conclusion
The QMobile Noir X400, priced at around 90 EUR during its market presence, embodied the spirit of accessible technology, offering an array of basic features that met essential smartphone needs. While it might not stand out in a contemporary market flooded with high-performance options, the X400 served its purpose well for budget-conscious consumers at the time. Its simple design, functional performance, and essential features provided a satisfactory, no-frills experience for many users during the mid-2010s.