What follows is our step-by-step guide on how to upgrade your Black Berry's OS, or install a different version, as well as how to prepare beforehand to make the process run as smoothly as possible.To start a new operating system install, you'll need your Black Berry, an Internet-connected PC, a USB cable and about an hour and half of free time—50 minutes or an hour for the upgrade process and 30 minutes or catch-up time afterwards.To check for software updates, follow these steps: Download update via device Important: The update can take up to two hours and the phone will be inoperable during the process.You will not be able to make or receive calls or text messages until the update is complete.In the drop-down menu, select “” then click on “Suivant” (the interface is in French). When it says that the installation is complete, select “Terminer”.Make sure that version 188.8.131.528 is selected, then click on “Téléchargez”. Accept the terms and conditions by clicking on “Accepter les conditions”, then on “Suivant”. Next, make sure you have the latest version of the Black Berry Desktop Software installed on your computer.
Please note: Until the update is complete, you will not be able to use your Black Berry smartphone.Since the update can take up to two hours, it is recommended that you do not start this process until you can be without your phone for an extended period.Update device software through your computer You can update your device software through your computer, even if you have not received the Over the Air notification.If you do install this OS, hit up the forums thread below for findings, fixes and more discussion.Research In Motion (RIM) is constantly developing and testing new software and applications for your Black Berry.You can also employ the Help Me screen shortcut to determine your current OS version by hitting ALT, SHIFT and the letter H.