Battery Power Requirements For Wireless Software Upgrades; Best Practice: Preventing Possible Blackberry Device Issues During The Software Upgrade Process; Search Criteria For Blackberry Devices - Blackberry ENTERPRISE SERVER FOR MICROSOFT EXCHANGE - ENTERPRISE SERVER WIRELESS SOFTWARE UPGRADES Administration Manual

Administration Guide
If the software upgrade process requires more memory, the LMM deletes medium-priority items such as very old email
messages and out-of-date calendar entries.
If the minimum amount of memory required is still not available, the BlackBerry device user must delete items manually.

Battery power requirements for wireless software upgrades

The battery power level on a BlackBerry® device must be 50 percent or higher for the BlackBerry device to retrieve software
upgrade packages over the wireless network. If the battery power level drops below the minimum requirement, the software
upgrade process suspends. The BlackBerry device resumes retrieving the software upgrade package when the battery power
level returns to 50 percent.

Best practice: Preventing possible BlackBerry device issues during the software upgrade process

Possible issue
The software upgrade process might not complete if the
user turns off the BlackBerry® device.
The software upgrade process might not complete if the
user removes the expandable memory from the BlackBerry
device.
A user cannot make an emergency call on the BlackBerry
device.
A user does not receive incoming calls on the BlackBerry
device.
The BlackBerry device might have reduced response times
and will require user attention if the content protection
feature is turned on.
The BlackBerry device loses all of its user data if the user
starts to upgrade the BlackBerry® Desktop Software.

Search criteria for BlackBerry devices

BlackBerry device criteria
registered with a specific wireless service provider
Possible solution
Do not turn off the BlackBerry device after the software
upgrade process starts.
Do not remove the expandable memory after the software
upgrade process starts.
Pause or cancel the current software upgrade process to
make an emergency call on the BlackBerry device.
Pause or cancel the current software upgrade process to
receive an incoming call on the BlackBerry device.
Type the password for the BlackBerry device, if the content
protection feature is turned on or if the BlackBerry device
resets after it installs an application.
Do not upgrade the BlackBerry Desktop Software until after
the software upgrade process completes.
Search method
In the Carrier drop-down list, click the name of a wireless
service provider.
Requesting wireless software upgrades
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