Remote OTA (over-the-air) updates play a vital role in enhancing the functionality of smart city applications. By enabling seamless updates to devices like smart lighting systems, environmental monitoring tools, smart parking systems, and smart traffic management solutions, remote OTA ensures that these technologies stay up-to-date with minimal disruption. This allows for continuous optimization, improved efficiency, and better user experiences in urban environments. The ability to manage and update systems remotely reduces maintenance costs and supports the growth of smarter, more sustainable cities by improving real-time data usage, energy efficiency, and overall city management.