Charging
- Charge BlackBerry® smartphone as much as possible
- Use wall chargers as the preferred charging method
Media
- Reduce volume
- Use headphones
- Load media using the BlackBerry® Desktop Manager (Avoids resizing)
- Turn off equalizer settings (Media – Options)
Browsing
- Visit mobile sites where applicable
- Turn Repeat Animations to a lower setting (Browser – Options – General Properties)
- Close browser when finished using (close with ESC key, not red End key)
Screen/Keyboard
- Reduce Backlight Timeout (Options – Screen/Keyboard)
- Reduce Backlight Brightness (Options – Screen/Keyboard)
- Holster smartphone (turns off LCD automatically)
- Set Audible Roll to mute (Options – Screen/Keyboard)
- Key Tone Off (Options – Screen/Keyboard)
- Use a sleeve when storing the smartphone in a pocket
Network Connections
- Turn off unused connections when not in use, i.e. GPS, Wi-Fi®, Bluetooth®
- Use Auto On/Off
- Use single mode only (1XEV, 2G only, 3G only)
Shortcuts
- Use shortcuts instead of activating Java® menus (Browser – Options – Browser Configuration)
- Camera
- Turn off flash (Camera – Options)
- Set picture size to Small (Camera – Options)
- Set Color Effect to Normal (Camera – Options)
- Set Picture Quality to Normal (Camera – Options)
Applications
- When exiting, be sure to close the app, not leave it running in the background (close with ESC key, not red End key)
- Log out of third-party applications when they are not needed (Instant Messaging, etc.)
Indicators
- Set Audible notification to Off (Profiles)
- Turn off coverage LED (Profiles)
GPS
- Use the zoom out function to get the largest viewable area that you can still use usefully
source : http://na.blackberry.com/eng/support/blackberry101/tips/saving.jsp
