Explore the challenges and solutions in managing a vast network of IoT devices in this insightful conference talk. Delve into the world of Balena.io as Marc Pous shares valuable lessons learned from supporting nearly 200,000 connected devices. Gain a comprehensive understanding of Balena's products and how they function in the IoT ecosystem. Discover the intricacies of device management, including deployment options and strategies for overcoming hardware constraints. Learn about critical aspects such as physical access, memory management, connectivity issues, and backup solutions. Uncover best practices for remote access, running diagnostics, and implementing remote updates. Understand the importance of test environments and how to effectively schedule fleet updates. Whether you're an IoT professional or enthusiast, this talk offers practical insights to enhance your approach to large-scale IoT device management.