Arcade machines are designed to provide uninterrupted entertainment, even during firmware updates. Unlike consumer electronics, arcades often use a dual-bank memory system. This allows the machine to run the current firmware while downloading and installing the update in a separate memory bank. Once the update is verified, the system seamlessly switches to the new firmware during a reboot or between game sessions.

Another method involves modular updates, where only specific components are updated at a time, minimizing downtime. Some modern arcades also leverage cloud-based updates during off-hours or low-traffic periods. Advanced error-checking ensures stability, and many machines can revert to the previous firmware if issues arise.

Operators typically schedule updates carefully, often during maintenance windows. This combination of hardware redundancy, smart scheduling, and fail-safes keeps arcade machines running smoothly while staying up-to-date. The result is a nearly invisible update process that maintains the fast-paced, coin-operated experience players expect.