How to Install or Upgrade to a New BlackBerry Operating System

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(1) Download New BlackBerry OS Software

First things first, you'll want to download the new BlackBerry OS and save it to your PC. To determine what OS version you're currently running, click the Options icon on your BlackBerry home screen and select About. Your OS version will be listed as a series of numbers after a lowercase V (v4.2.2.184) on the first screen. You can also employ the Help Me screen shortcut to determine your current OS version by hitting ALT, SHIFT and the letter H.


CURRENT BLACKBERRY SOFTWARE INFO.

To obtain the latest operating system for your BlackBerry device, first check your wireless carrier's website. This is the best way to get official RIM OS software. Your carrier may ask you to login to download the software, so you might need to create an online account if you haven't already done so. Once logged in, locate the system upgrades section, check to see if there's an OS version that's more recent than the one you're currently running, and if so, download and save it to your PC's desktop.

If you decide to download and install an unofficial version of the BlackBerry OS, you should beware that you're doing so at your own risk. Beta operating systems are not officially released for good reason: They're often full of bugs and could potentially void your warranty or worse, render your BlackBerry unusable.

(2) Download and Install the Latest BlackBerry Desktop Manager Software

Next you should ensure that your PC is running the latest version of the BlackBerry Desktop Manager, which is v4.5.
To check which version of Desktop Manager you currently have, you should launch the program via Windows Start menu > All Programs > BlackBerry > Desktop Manager. Then click the Help tab on the main screen and choose About BlackBerry Desktop Manager. The software version will be listed on the General tab.

If you're not running Desktop Manager v4.5, visit RIM's site and download and install the latest version of the software.
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(3) Prepare for New OS By Noting Apps, Services or Setting That Could be Affected

Installing a New BlackBerry OS will return some of your custom settings to the default options and may require you to log back into and unlock certain applications. For instance, your font family, font style and size will revert to default settings after the OS install, so you may want to go into Options > Screen/Keyboard settings to make note of your custom settings.

(4) Open New BlackBerry OS and Begin Installation

After you've prepared for the changes that come along with a new BlackBerry OS, you'll want to begin the installation process. First, close all related applications and services on your PC and launch the .exe file. Choose Run and select the appropriate setup language.

The InstallShield Wizard for BlackBerry will then appear. You should click Next and then on the following screen choose the country in which you're currently located. Accept the terms of service and hit "Next" again. When the install process is complete, the program will ask you if you want to start the BlackBerry Desktop software. Fill in the check box next to this option and then hit "Finish."

When the Desktop Manager software opens, plug your device into the PC via USB cord. (If for some reason, the desktop manager software does not launch after a few minutes, go to your Windows Start menu > All Programs > BlackBerry > Desktop Manager.) You'll then see a dialogue box that tells you it's searching for device application updates and a few seconds later another box will appear asking if you want to install the available upgrades. Click Update Now and a summary page will appear detailing the specific applications that will be affected.
From there, hit the Options tab beneath the Data Preservation and Device Backup heading and ensure that the Backup Device Data Automatically During the Installation Process box is checked. Then hit OK.

You can also click on the Advanced tab on the right side of the Desktop Manager screen to add or update applications that weren't included in the default list. For instance, if you deleted your BlackBerry Messenger app in the past but now want it back, you can hit Advanced and fill in the check box next to BlackBerry Messenger and the program will be installed along with your new OS.

Finally, you should click Next again, and you'll see an Application Loader summary page that explains how your device will need to be wirelessly activated and registered with your carrier after the new OS is installed—don't fret, this should happen automatically—and provides a brief summary of the installation process. Hit Finish, grab a frosty beverage and/or good book and sit back and relax while you're new OS is installed. As mentioned above, this may take awhile so don't worry if the progress bar seems to be sticking on the "Connecting to the Device" stage—one of the final steps in the upgrade process.

If you're installing an operating system that's older than your current software, you'll want to download the OS to your PC and launch the .exe file just as described above. But when you plug your device into your PC after opening the Desktop Manager, the app won't find any updates and you'll have to instigate the install process yourself. To do so, click the Application Loader icon on the Desktop Manager home screen and then click the Start box on the right side of the screen, beneath Update Applications. The software will then search for updates and won't be able to find any. On the following screen, click the Advanced tab under Device Application Selection, make sure the list of applications on the next screen includes all programs you wish to include in the install and hit Next again. Choose to backup your application data on the following screen and hit Finish to begin the install.
You'll know your new OS is installed successfully when the Desktop Manager's Update Complete screen appears and your device's radio turns back on. Shortly after the process finishes up, you should receive a message in you inbox to let you know your device is registered with your carrier's network. If you don't receive such a message, resend your device's e-mail service books. You can send service books in two ways, using either your BlackBerry itself or your carrier's BlackBerry Internet Service (BIS) page. To send service books via BlackBerry, open your E-Mail Settings/Set-Up Internet E-mail icon, log in if prompted, and click Service Books option under the Settings heading. On the following page, send the books by hitting Service Books again.
Close out the Desktop Manager, disconnect your BlackBerry and you're good.

Notes

- If you use any BlackBerry Internet Service (BIS) accounts, you likely want to resend your e-mail service books even if you're device was automatically reregistered. This ensures that you're taking advantage of any related tweaks that may have been included in the software update.
- Immediately following your upgrade, you'll be prompted to log back into a number of applications but some you'll need to manually open to enter your account information. If you have a media card installed, you'll also be asked whether or not you want to turn your BlackBerry's mass storage mode on, regardless of your previous settings. You'll also be asked if you want to run through the BlackBerry Setup Wizard.
- If you're on a BlackBerry Enterprise Server (BES) you should check in with an IT representative before attempting to upgrade your smartphone's handheld software, because some IT policies can block or partially block a new OS install.

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How to Install or Upgrade to a New BlackBerry Operating System