Following the submission of a multitude of Apps onto Blackberry World it became known that we needed to get a list up together showing Blackberry OS 7 devices and their screen resolution sizes, and the same for OS 6 Blackberry devices the screen resolutions and the os version.
We felt that during the submission process it was difficult to know which device supports what OS and at what size screen resolution.
In the end and after plenty of to and fro-ing with different websites like the blackberry site, phonearena, gsmarena, wikipedia etc we have put a list together below which is by no means a list of them all, but at least during the Blackberry app submission process it will help to serve as a nice reference tool to make it all nice and easy!
Blackberry Screen Resolution> OS Version> Device
OS 6.00
320*240 LANDSCAPE 9300 9330
480*360 LANDSCAPE 9650 9700 9780 9788
360*480 PORTRAIT 9800 9380
360*400 9670
| Blackberry 10 App Switching | OS 7.00+
320*240 LANDSCAPE 9220 9310 9315 9320
480*360 LANDSCAPE 9350 9360 9370 9790 9620
480*640 PORTRAIT 9810
640*480 LANDSCAPE 9900 9930 9981
480*800 PORTRAIT 9850 9860
360*480 PORTRAIT 9380
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With the exception of Blackberry 10 devices this list may be missing a few 'emerging markets' OS 7+ devices due to be released perhaps in the middle of 2013, if you feel there are devices missing or inaccurate, please leave a comment and we will update this Blackberry screen resolution Blackberry device model and OS version list

Blackberry Dev Alpha
The Blackberry 10 Dev Alpha device operating system was updated to version 10.0.9.1103 earlier this morning. We were lucky enough to download the latest version via OTA direct from the device.
A relatively simple process, download took approximately 25-30 mins where the installation file was 487MB in size.
Installation did not take more than 10 minutes so the upgrade process was flawless and within very reasonable timescales. It also restored the existing data as it should. Have a look at the screenshots below of the upgrade steps..
Running the Software Updates
Check for Updates on the Dev Alpha
Software update just started on the Dev Alpha
Software update complete for Blackberry 10 please restart
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Blackberry Dev Alpha has found a Software update
Progress bar of the OS update for Blackberry 10
Confirmation of the Blackberry OS 10 upgrade
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Blackberry 10 homescreen

The Blackberry 10 homescreen
Just a few small cosmetic updates we found straight up from the homescreen that we noticed as the Blackberry Dev Alpha booted to the mail menu screen..
All icons are now slighted rounded on the edges and look much sharper
Icons changed (Browser/Calender/BBM)
Blackberry App World now renamed to Blackberry World
Settings icon now appears as a seperate icon, previously it was on a menu that had to be swiped downwards from the top
Blackberry Messenger
 Unfortunately Blackberry Messenger would not open for now.. During the photo screenshots the Blackberry Messenger 10 would not want to load up during this time and get spinning with the Opening BBM sign, we will try a reboot later on and see what happens..
| Active Screens
 Blackberry 10 Active Screen The Blackberry OS10 Active Screens feature looked faster and more fluid. Only dissapointing thing is that it would not display active screens. For example, it would be interesting the see the youtube video running in its own window, while the BBM screen was actively showing at the same time, now that would be a cool thing to have!
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Blackberry App World 10 App Storefront
Blackberry Appworld now renamed to Blackberry World. We believe this is due to the fact that Apps, Music, Video and Films are also for sale in this 'device store'. Making it not just for apps but for everything else too..
|  Apps List BB10 The Blackberry 10 World now has updated apps released by developers up until september. All other apps are now doe to be released in January after the final release.
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Wahaay!
Following being featured and the Queen Elizabeth Diamond Jubilee price reduction offer, we have noticed that CAMultimate has reached number 17 on the Top Paid apps Carosel for the first time ever!
A great and proud achievement for our team
CAMultimate Camera Tools shown as within the Top 20 Apps on Blackberry App World