BlackBerry Device Software
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About updating the BlackBerry Device Software
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Update the BlackBerry Device Software over the wireless network
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Return to the previous version of the BlackBerry Device Software
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Delete the previous version of the BlackBerry Device Software
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Check for BlackBerry Device Software updates that you can install over the wireless network
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About updating the BlackBerry Device Software from a web site
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235
Update the BlackBerry Device Software from a web site
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236
Troubleshooting: BlackBerry Device Software
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Wireless network coverage
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238
Turn on the connection to the wireless network
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Turn off the connection to the wireless network
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Turn on or turn off data service or set roaming options
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Wireless networks that your device connects to
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Turn on LED notification for wireless coverage
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Check the status of network connections and services
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Roaming
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Preferred wireless network list
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Troubleshooting: Wireless network coverage
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Power, battery, and memory
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244
Turn off your device
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Set your device to turn on and turn off automatically
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Reset the device
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Check the battery power level
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Extend battery life
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Format the device memory or a media card
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View the amount of available memory
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Best practice: Conserving memory on your device
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The application memory on my device is low
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SIM card
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About the SIM card phone book
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Add a contact to your SIM card
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Copy contacts from your SIM card to your contact list
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Copy a contact from your contact list to your SIM card
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Change a SIM card contact
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Delete a SIM card contact
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Store SMS text messages on your SIM card
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About SIM card security
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249