User Guide

Research In Motion recommends that you regularly create and save a backup file on your computer, especially before you
update any software. Maintaining a current backup file on your computer might allow you to recover smartphone data if your
smartphone is lost, stolen, or corrupted by an unforeseen issue.
Related information
Copy, move, rename, or delete a file, 132
Change the size of pictures that you take, 150
View the amount of available storage space on your smartphone, 304
Change how long your smartphone stores calendar entries, 185
Keep an application running in the background and switch to another application, 252
Troubleshooting: Applications
I can't add, update, or return to the previous version of an app
If your email account uses a BlackBerry Enterprise Server, your organization might not permit you to add or update
smartphone apps. For more information, contact your administrator.
Try the following actions:
• Verify that your BlackBerry® smartphone is connected to the wireless network.
• Verify that your smartphone has enough storage space to add or update the app.
I deleted an app that I want back
If you delete an app that you downloaded, you might be able to restore the app to your BlackBerry smartphone.
Try one of the following:
• If you downloaded the app from the BlackBerry App World storefront, on the Home screen, click the BlackBerry App
World
icon. Press the key > Help.
• If you downloaded the app with the BlackBerry Desktop Software, for more information about restoring apps, see the Help
in the BlackBerry Desktop Software.
• If you downloaded the app from your wireless service provider or a third-party organization, for more information about
restoring the app, contact your wireless service provider or the third-party organization.
Error messages: BlackBerry Device Software
"App" or "JVM" might appear before an error message. For example, "JVM Error 101" or "App Error 200."
User Guide
Applications
255