In a filing cabinet Your kitchen junk drawer That pile of mail that really should be put in the recycling bin Old notepads or diaries Old calendars Wireless routers (sometimes default WiFi passwords are on the back) Your wallet When all else fails, take a deep breath and ...
Clean junk files frequently. Run an Antivirus scan. Uninstall the unneeded apps. Make sure to eject the SD card properly. Make sure the contents in Lost.Dir folder is the unwanted files. Switch off your phone periodically. Backup Android phone for your essential data to the computer. Followin...