Clear cache partition

If you are experiencing problems with apps or phone performance, you can remove temporary files that may be causing the problem, without deleting your files or settings.

1. Turn off the phone.
2. Press and hold the Volume Down button and the Power button at the same time until the phone turns on.
3. Press the Volume Down button until you see Recovery mode.

4. Press the Power button to restart in Recovery mode.

   You'll see an Android robot with a red exclamation mark.

5. Press and hold the Power button, then while continuing to hold it, press and release the Volume Up button to display the menu options.

6. Use the volume buttons to scroll to Wipe cache partition, then press the Power button to select it.

   Clearing the cache may take 5-10 minutes.

7. Use the volume buttons to scroll to Reboot system now, then press the Power button to select it.