Conclusion
In conclusion, the Celkon C51 was a competent feature phone catering to users who prioritized simplicity, practicality, and reliability over modern smart functionalities. Although discontinued, it served its purpose during its availability by offering necessary mobile features such as calling, texting, multimedia playback, and FM radio. While it had limitations in connectivity and camera quality, its dual-SIM capability, removable battery, and compact design made it a reasonable choice for basic mobile needs.