1-Who the memory of your phone eats? The apps are usually to blame, because they occupy a lot of space. To check which weigh more and select uninstall you will, go to the Settings section of your smartphone> Applications> Manage applications. You will see how each of them deals.
2-After deciding which apps you can not live tap uninstall. Still in Settings> Applications> Manage applications, see link to the ones you want to delete and "Uninstall". Another option for those who do not want to uninstall it choose to click on "Clear Data" in order to free up space on an Android phone.
3-You've already gotten rid of the apps that you do not need and deleted data is not enough? Toca defer to the SD to not occupy the phone's internal memory. To do this, go back to Settings> Applications> Manage applications, select the app you want to move and click on "Move to SD". There are some apps that can not move, so you'll have to try and change those that can.
4-Finally, check out the photos and videos you have stored on your device (in the gallery). There will be many who can delete directly. If you want to keep them all, you transfer them to your computer via Bluetooth and delete them from the phone to not take up unnecessary space