Software For BlackBerry® Curve(TM) 8520 Smartphone
BlackBerry Handheld Software v188.8.131.524 (Multilanguage)
Package Version: 184.108.40.2064
* Applications: 220.127.116.116
* Software Platform: 18.104.22.168
* File name: 8520wifiM_PBr4.6.1_rel424_PL22.214.171.124_A126.96.36.1996_O range_UK.exe
* File size: 116.1MB
Note: The Software Platform and Applications version numbers can be found under Options-About screen on the handheld.
For install instruction to load any carrier 8520 OS on your BB:
1. Download desired OS to your PC
2. Install/run OS to PC
3. Delete vendor.xml file. It's located in c:\program files\common files\research in motion\apploader.
4. Connect BB to Desktop Manager and it should prompt the upgrade. If not click app loader and that should initialize it.
5. Do not unplug BB during the process. It may take around 30-60 minutes to complete upgrade.