What is the recommended first step for testing phone functionality if it becomes unresponsive?

The recommended first step for testing phone functionality when it becomes unresponsive is to perform a soft reset. A soft reset involves simply restarting the device without losing any data or settings. This action can often resolve temporary system glitches or errors that cause the phone to become unresponsive.

This method is particularly effective because it allows the operating system to refresh without the more disruptive action of a full power cycle or battery removal. Since a soft reset is non-invasive and preserves user data, it is usually the first troubleshooting step recommended in mobile device support. While other methods may be used later if the problem persists, initiating troubleshooting with a soft reset is the most efficient and least disruptive approach.