HTC Hero Mode D'Emploi

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Managing Your Phone  05
Note  To change your unlock screen pattern, press HOME > MENU, then tap Settings > 
Security > Change unlock pattern.
When you fail to draw the correct unlock pattern on the screen after five attempts, 
you will be prompted to wait for 0 seconds before you can try again. If you forgot 
your screen unlock pattern, tap Forgot pattern. You will be prompted to sign in 
using your Google Account name and password, and create a new screen unlock 
pattern before the Home screen displays.
10.3  Managing Memory
To see how much phone memory is available for use
Press HOME > MENU, then tap Settings > SD card & phone storage.  
The available phone memory is displayed in the Internal phone storage section.
To see the available storage card space
Press HOME > MENU, then tap Settings > SD card & phone storage. The total and 
available storage card space is displayed in the SD card section.
To clear application cache and data
1. 
Press HOME > MENU, then tap Settings > Applications > Manage 
applications.
2. 
In the Manage applications list, tap the application whose cache and/or data 
you want to delete.
Tip 
Press MENU to bring up sort and filter options.
3. 
In the Application info screen, tap Clear data and/or Clear cache.
To uninstall third-party applications
You cannot uninstall applications that are preinstalled on the phone.
1. 
Press HOME > MENU, and then tap Settings > Applications > Manage 
applications.