How to upgrade software BlackBerry ?, First you must to do is back up and restore, just in case you have problem when install or upgrade software, please check this :
Backup and Restore
2. Download the OS from www.blackberry.com.> choose the carrier of your device.
3. Install device to the desktop. Open > Run > do installation progress.
4. Open Desktop Manager.
5. Click Application Loader.
6. Update Application.
7. Click Advanced if you want to add or remove application you want.
8. Next > Progress > Finish
Note : All in progress, do not unplug the cable.
Arta BlackBerry
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