BlackBerry 9520 사용자 가이드
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Charge your device regularly.
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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.
device.
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Set backlighting to remain on for a shorter period of time and lower its brightness.
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Turn off the connection to a wireless network when you are not in a wireless coverage area.
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Switch your vibrating notifications to sound notifications or LED notifications, lower the volume of your sound notifications, or select a
shorter ring tone.
shorter ring tone.
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Delete the original message when you send a reply.
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Send a message to multiple contacts using Add To, Add Cc, or Add Bcc.
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If your device has a camera flash, turn off the flash.
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Close third-party applications from the application menu when you are finished with them.
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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, 51
Blind carbon copy a contact, 45
Set the brightness of the backlighting, 188
Turn off the connection to the wireless network, 230
Blind carbon copy a contact, 45
Set the brightness of the backlighting, 188
Turn off the connection to the wireless network, 230
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.
Depending on your device model, you might not be able to format your device memory.
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.
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: Conserving memory on your device
Try to maintain at least 400 KB of application memory on your BlackBerry® device. To use less memory, try changing options for email messages,
calendar entries, and media files. Consider the following guidelines:
calendar entries, and media files. Consider the following guidelines:
User Guide
Power, battery, and memory
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