Android Logcat & System Crash Logs (/data/log)

Bottom Line: It is 100% safe to clear Android Logcat and crash log dumps. Deleting system log files will NOT delete personal photos, WhatsApp messages, or app data.

What are Android Logcat & Crash Log Files?

Located at /data/log or /data/tombstones on Android (or accessed via developer tools), these files are managed by the Android Logcat logging service.

Android logs background system events, app crash dumps, Wi-Fi reconnection attempts, and kernel activity. On certain Android devices (especially Samsung Galaxy phones), system log files like dumpstate or logcat fail to auto-delete, accumulating gigabytes of hidden system logs.

Can You Delete Android Logcat Logs?

✅ Yes, it is completely safe to delete.

• Pure diagnostic text: Logcat files contain text log lines used by developers analyzing app crashes.
• Fixes hidden system storage: Clearing log dumps is the top fix when Android “System Storage” hoards 20 GB+.

How to Safely Clean Up Android Logcat Logs

Method 1: Using Samsung SysDump Code (Samsung Devices)

1. Open the Phone Dialer app on your Samsung phone.
2. Dial *#9900# to open the SysDump menu.
3. Tap Delete dumpstate/logcat.
4. Tap OK and restart your phone.

Method 2: Clear via ADB (For Developers)

Connect your phone to a PC via USB with Developer Options enabled:

adb logcat -c

Related Guides

• Learn about deleting Google Play Services cache.
• How to clean up Android OBB files.
• Check if you can clean LOST.DIR folder.