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About content compression
Content compression is designed to reduce the size of your BlackBerry® device data while maintaining the integrity of that data. When
content compression is turned on, your device compresses all device data, including messages, contacts, calendar entries, tasks, and
memos. You should keep content compression turned on.
If content compression and content protection are turned on, your device compresses device data before encrypting it.
Memory cleaning
About memory cleaning
Memory cleaning is designed to delete sensitive data from your BlackBerry® device memory. Examples of sensitive data include sensitive
data in the cache for the key store browser, unencrypted data from email messages, LDAP authentication passwords, and data from
certificate and key searches.
When memory cleaning is turned on, the memory cleaning application is designed to delete sensitive data automatically in the following
situations:
• when you insert your device in a holster
• when you do not use your device for a specified period of time
• when you synchronize with your computer
• when you change the time or the time zone for your device
• when you lock your device
Turn on memory cleaning
1. In the device options, click Security Options.
2. Click Memory Cleaning.
3. Change the Status field to Enabled.
4. Press the Menu key.
5. Click Save.
Change when your device deletes sensitive data from the device memory
1. In the device options, click Security Options.
2. Click Memory Cleaning.
3. Perform any of the following actions:
• To prevent your BlackBerry® device from deleting sensitive data from the device memory when you insert your device in a
holster, change the Clean When Holstered field to No.
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