ONE-KEY™ app closes immediately after opening or during initial loading screen.

1) Force close app and restart device

2) Update app to latest version from app store

3) Clear app cache: Settings > Apps > MILWAUKEE® ONE-KEY™ > Storage > Clear Cache

4) Free up device storage space (need at least 1GB free)

5) Disable battery optimization for ONE-KEY™ app

6) Uninstall and reinstall app (backup data first)

7) Check device compatibility requirements

8) Contact support with device model and OS version

App is unresponsive, slow to load screens, or freezes during normal operation.

1) Close other apps running in background

2) Restart device to free up memory

3) Check available storage space

4) Update device operating system

5) Clear app cache and temporary files

6) Reduce number of tools in inventory if very large (over 200 items)

7) Use WiFi instead of cellular data for better performance

Specific issue with Samsung Note 20 Ultra devices experiencing frequent freezing and overheating.

1) Turn off device and hold Volume Down and Power for 5 seconds

2) Hold Volume Up and Power until Android logo appears

3) Navigate to "Wipe cache partition" using volume keys

4) Select with power button and wait for completion

5) Select "Reboot system now"

6) Update Samsung device software to latest version

7) Enable "Performance mode" in device settings