Internal memory (RAM): Apple iPhone 3GS

Learn how to use the task manager and free up memory on the Apple iPhone 3GS.





Manage memory


To manage the internal memory, follow these steps:


Restart device regularly

Note: You should restart your phone at least once per day.

  1. Press and hold the Power key.
  2. Tap Restart.

Reduce memory use
: If your phone is running slow, then you can reduce the amount of memory it is using.

  • Delete unnecessary text messages (SMS) and picture messages (MMS).
  • Transfer pictures and media to a computer, and remove it from the phone memory.
  • Clear the browser cache, cookies, or history.

Manage applications

Note: Manage your applications to keep your device running smoothly.

  • Research and monitor new applications that you install
    • Read Play Store application reviews before installing. Not all applications run smoothly on phones. Read customer reviews before downloading an application to see if it has a history of not working properly.
    • If your device starts having problems after installing an application, consider uninstalling the application (See below: 'Uninstall third-party applications.'

  • Keep applications updated
    1. From any Home screen, tap the Apps Store icon.
    2. Tap Updates.
    3. Choose one of the following options:
      • Tap Update All to update all applications with updates available.
      • Tap Update next to an individual application to update just that app.

  • Uninstall third-party applications (see 'Uninstall App')


  • Never install a third-party Task Manager or Battery Manager
    • These applications interfere with how iOS works



Task manager


A task manager can view running apps and close them. To use the task manager, follow these steps:


  1. Press the Home button twice quickly.
  2. A list of recently used apps appears at the bottom of the screen.
  3. Tap and hold on an application until it begins jiggling.
  4. Tap the minus sign on an application to remove it from memory.




View free memory


To view the amount of free internal memory, follow these steps:


  1. From the Home screen, tap Settings.
  2. Tap General.
  3. Tap Usage.