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How do I capture logs to troubleshoot my device?

[Environment]
Any Samsung device

[Summary]

You might need to help troubleshoot a device issue by getting a log of the device's activities. The easiest way to get these logs from a Samsung mobile device is to use the SysDump tool:

  1. Launch the Phone app.
    If your device does not have a Phone (for example, device is Wi-Fi only like the Galaxy Note 10.1 2014 edition), use the Calculator app and enter (+30012012732+ in the keypad. This switches the Calculator to Factory Mode.
  2. If the Debug Level is Disabled/LOW, tap to select MID. This restarts the device.
  3. Reproduce the issue that you would like to troubleshoot.
  4. Repeat steps 1 to 2 to launch the SysDump tool.
  5. Tap Run dumpstate/logcat.
  6. Tap Copy to sdcard. This copies a timestamped .log file to the folder /log, which you can access through My Files in your personal space.
  7. You can send the file to Knox Support, using one of these methods:
    • From My Files, share the .log file via email.
    • Connect a USB cable to a computer, then copy the file to your computer, and email the file from your computer.
  8. Repeat steps 1 to 3 to change the Debug Level back to Disabled/LOW to optimize device performance.
NOTE — some carriers like Verizon have disabled the SysDump tool on their devices. For these devices, use the Android Debug Bridge instead.