BlackBerry 7.1 사용자 설명서

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• To keep the date and time on your smartphone synchronized with the date and time on your computer, select the 
My computer's date and time with my device checkbox.
• If you have certificate synchronization turned on and you want to synchronize certificates, select the Certificates 
checkbox. To specify an interval to synchronize your certificates again during the same BlackBerry Desktop 
Software session, select the Re-synchronize periodically (hours) checkbox. In the drop-down list, click an 
interval.
4.
Click OK.
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Delete the data from your smartphone
Before you delete the data from your BlackBerry smartphone, consider backing up your data so that you have a copy on 
your computer. If you have turned on encryption, the process for deleting all smartphone data can take up to an hour to 
complete.
CAUTION: You can't stop the process for deleting all data after you start it. If you reset your smartphone, the process 
continues after the smartphone restarts.
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.
1.
Connect your smartphone to your computer.
2.
In the BlackBerry Desktop Software, click Device > Delete data.
• To delete all your smartphone data, click All data.
• To delete specific data, click Selected data. Select the checkbox beside one or more types of data
3.
If necessary, do any of the following:
• If your smartphone includes built-in media storage, select the Delete files saved on my device's built-in media 
storage checkbox.
• To create a backup file for your smartphone data, select the Back up data before deleting checkbox. To encrypt 
the backup file, select the Encrypt backup file checkbox. Type a password.
4.
Click Delete.
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