Leaked BlackBerry Storm 2 (9520) OS 5.0.0.553
A new Leaked BlackBerry Storm 2 (9520) OS 5.0.0.553 has been released.
Warning: Please backup all your information before proceeding. We don’t recommend installing leaks OS since most times they come with bugs.
Download Leaked BlackBerry Storm 2 (9520) OS 5.0.0.553
Don’t know how to install your OS. Remember to check out our How to: How to Install a new BlackBerry Operating System (OS)
Let us know your thoughts if you install it.
How to install a new BlackBerry Operating System (OS) or upgrade your current one on PC
Today’s How to belongs to How to install a new OS or upgrade your current one of your BlackBerry devices.
1) Download a new OS for your BlackBerry Smartphone

The first thing to do is to download a new BlackBerry OS and save it on your Desktop. In order to see what version you currently running head over to the Options icon on your home screen and press the About link. The version of your OS is determined by a series of numbers starting with V and follow by a number.
Another quick shortcut to do this is pressing Alt, Shift and the letter H on your keyboard.
Official OS 5.0.0.438 For BlackBerry Curve 8330 From Boost Mobile
Here is an Official Update for BlackBerry Curve 8330 smartphone released by Boost Mobile.
Check out the links bellow
OS Update 5.0.0.411 Leaked For Several Devices
You must love leaked stuff, here we bring you OS Update 5.0.0.411 for the devices Bold 9000, Curve 8900 and Curve 8520. First time I see a leaked version for several devices at once but what the heck. The more the better. For those BlackBerry Tour users, unfortunately its been a while since a new leak for this device was released. Hopefully it will happen soon since the Tour is a really popular device.
Try to download them as fast as you can because most of the time these links get taken off.
BlackBerry Tour OS 4.7.1.53 available now from Verizon Wireless

Verizon finally kicked the first software maintenance for the BlackBerry Tour device. The version doesn’t improve many things on the operating system, here is a list of the improved changes.
- Improved MMS notifications
- Improved Visual Voice Mail app
- Improved sound quality for Bluetooth headsets and voice calls
- Fixed geo-tagging error in the camera application
- Fixed an error with DRM music skipping
- Improved video player
- Added BlackBerry Messenger update notifications — check for new BBM updates automatically or manually.
- Fixed an issue with device restarting after activating morning alarm
- Fixed an issue with memory cleaning and sluggishness
The first character is no longer duplicated when dialing from the
home screen. - Your smartphone may not have detected headset removal, causing it
to remain connected to a disabled headset. - When prompted to add an email account in the Setup Wizard, your
smartphone may have jumped to “Bluetooth® Setup,” leaving you
unable to navigate back to email setup. - If you tried to save changes to a contact that only contained a
company name, you may have received the error message “Contact
updated externally. Changes will be lost and the view closed.”
Courtesy: BGR
Leaked OS Update 5.0.0.230 for the BlackBerry Storm

Hey! Another OS leaked update! now the winner is the BlackBerry Storm 9500.For those 9500 Storm owners that felt left out when the leaked news of the OS update 5.0.0.230 for the 9530, Now you got the chance to get your hands in the great features 5.0 has to offer.
Warning: As said before, this is a unofficial release please use caution when downloading leaked files. If you choose to install, do so at your own risk and only if you’re comfortable in the process of upgrading and downgrading your device software.
Instructions courtesy of BlackBerryOS on how to install OS Update 5.0.0.230
Verizon Finally Releases Storm OS Update

Verizon finally released an update (OS 4.7.0.107) for BlackBerry Storm. The update is available available through the Desktop Manager.The update seems to be for BES users and needs to be pushed from your network admin. Happy updating!
New OS 4.6.0.166 Bold Official Software Release On Telcel (Mexico)

A new version of the BlackBerry Bold OS Software have been released, OS 4.6.0.166. If you give it a run, let me know how it behaves.
You can get it at the BlackBerry website.