Conclusion
The vivo Y51 (2015) epitomizes an era of smartphone design where core functionality and affordability were prioritized. While it may no longer stand out in today's market due to its discontinued status and outdated hardware, it offered a reasonable package in terms of build quality and basic smartphone features at a price around 130 EUR at launch. For users who primarily need a device for basic call, text, and light app usage, the vivo Y51 served as a competent and dependable choice for its time.