• Charge your device regularly.
•Keep your battery connections clean. Every few months, use a cotton swab or dry cloth to clean the metal contacts on the battery and the
device.
• Set backlighting to remain on for a shorter period of time and lower its brightness.
• Turn off the connection to a wireless network when you are not in a wireless coverage area.
• Switch your vibrating notifications to sound notifications or LED notifications, lower the volume of your sound notifications, or select a
shorter ring tone.
• Delete the original message when you send a reply.
• Send a message to multiple contacts using Add To, Add Cc, or Add Bcc.
• If your device has a camera flash, turn off the flash.
• Close third-party applications from the application menu when you are finished with them.
• Change your browser options for animated graphics so that they repeat less often on web pages.
Related topics
Delete the original text from a reply message, 42
Blind carbon copy a contact, 36
Set the brightness of the backlighting, 170
Turn off a wireless connection, 214
Format the device memory or a media card
If you format the BlackBerry® device memory or a media card, all the files in the device memory or on the media card are deleted.
1. On the Home screen or in a folder, click the Options icon.
2. Click Memory.
3. Press the Menu key.
4. Click Format.
5. Complete the instructions on the screen.
View the amount of available memory
1. On the Home screen or in a folder, click the Options icon.
2. Click Memory.
Best practice: Optimizing your device performance
Try to maintain at least 400 KB of application memory on your BlackBerry® device. To increase the amount of application memory, try deleting
items that you do not need from your device. Consider the following guidelines:
• Delete old email and MMS messages, especially messages with attachments.
• Delete contacts that are already in your organization's address book.
User Guide Power, battery, and memory
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