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1: Planning to upgrade your BlackBerry environment
Upgrading to BlackBerry Device Software Version 4.1 and
later
When you upgrade the BlackBerry Enterprise Server you might also want to upgrade the BlackBerry Device
Software so that users can use the BlackBerry Enterprise Server Version 4.1.4 features.
You are not required to upgrade the BlackBerry Device Software. The BlackBerry Enterprise Server Version 4.1.4
supports BlackBerry devices that are running BlackBerry Device Software Version 4.0.x and earlier.
You can upgrade only BlackBerry devices with 32 MB of flash memory to BlackBerry Device Software Version 4.1.
To upgrade the BlackBerry Device Software, you must connect a BlackBerry device to a computer. You cannot
distribute the BlackBerry Device Software over the wireless network. If users’ BlackBerry devices are running
BlackBerry Device Software Version 4.0 or later, wireless synchronization occurs after the BlackBerry Enterprise
Server upgrade completes. Visit www.blackberry.com/knowledgecenterpublic to read article KB-04295 for more
information about which software versions cause an automatic wireless synchronization to occur.
Choosing a BlackBerry Device Software upgrade option
Upgrade option Description Advantages Disadvantages User impact
Enable users to upgrade
the BlackBerry Device
Software at their
computers.
This upgrade process
requires you to install the
BlackBerry Device
Software and the
BlackBerry Application
Loader in a shared
network drive that is
accessible by computers in
your organization.
• you can use a shared
network drive to make
the BlackBerry Device
Software upgrade
available to users
•you can enable users
to upgrade their
BlackBerry devices at
their computers by
sending them a link to
the BlackBerry Device
Software installation
files
• you can automate the
BlackBerry Device
Software upgrade
loading process to
remove user
interaction for USB
BlackBerry devices
•you can upgrade
BlackBerry devices
remotely
• you cannot manage
BlackBerry Device
Software upgrades
using software
configurations
• you cannot force users
to upgrade their
BlackBerry Device
Software
• this upgrade process
increases network
traffic to the network
drive
• users must have either
the BlackBerry®
Desktop Software
Version 3.6 or later or
the BlackBerry
Handheld Manager
Version 3.6 or later
installed on their
computers