To fix that you have to edit /data/data/com.android.providers.settings/settings.db
8. Open settings.db using SQLite Database Browser
9. Click 'Browse Data' tab
10. Select 'secure' in drop down
11. Click 'New Record'
12. Double click boxes to edit Name = wifi_idle_ms value = 30000 Click Apply Changes // I set mine to 30 seconds
13. Close and Save database