How to Run Self-Diagnostics on Your Samsung Galaxy Phone

Discover how to use built-in diagnostic tools on Samsung Galaxy devices to identify hardware and software issues, including battery, display, and sensor problems.

If your Samsung Galaxy phone is experiencing performance issues, connectivity problems, or unexpected shutdowns, running self-diagnostic tests can help identify potential hardware or software faults. Samsung devices come with built-in diagnostic tools that allow users to quickly assess the health of critical components such as the battery, display, memory, and sensors.

1. How to Run Self-Diagnostics on Samsung Galaxy Devices

Follow these steps to perform a comprehensive self-diagnosis on your Samsung Galaxy phone:

1. Open the Settings app on your device.
2. Scroll down and tap on General management.
3. Select Device care.
4. Choose Battery, Storage, or Security to check specific areas, or tap Diagnostics if available.
5. Follow the on-screen prompts to run the diagnostic test.
6. Review the results. If any issues are detected, follow the recommended actions.

2. Why Use Samsung's Built-in Diagnostic Tools?

- Quickly identify hardware issues like battery drain, overheating, or display malfunctions.

- Detect software-related problems such as memory overload or storage bottlenecks.

- Save time by troubleshooting before contacting Samsung Support.

3. Supported Samsung Galaxy Devices

Self-diagnostic tools are available on most Samsung Galaxy devices, including:

Galaxy S24, Galaxy S25, Galaxy S26, Galaxy Z Fold, Galaxy Z Flip, and Galaxy A series models.

4. Additional Things to Check

If the diagnostic tool doesn't resolve your issue, consider these steps:

1. Ensure your device is running the latest software version.
2. Check for any pending system updates in Settings > Software update.
3. Restart your device to clear temporary glitches.
4. Inspect for physical damage, such as water exposure or screen cracks.

5. When to Contact Samsung Support

If the diagnostic results indicate a hardware issue or the problem persists after troubleshooting, contact Samsung Support for further assistance. Our experts can provide advanced diagnostics and repair options.

Related Samsung Support Topics

- How to update software on Samsung Galaxy devices

- How to optimize battery life on Samsung Galaxy phones

- How to troubleshoot storage issues on Samsung Galaxy devices