Actually, while the information seems valid, in my humble experience, it does not work. I have installed and re-installed the OS's repeatedly. I have a one week old Verizon Pearl 8130 and both the desktop manager and the device's OS's are 4.3. My destop is 22.214.171.124 (August 2007) and my device is 126.96.36.199 platform 188.8.131.52.
I have been unable to install most software, other than the ones that installed directly to the phone such as Google Maps and Opera Mini.
I'm beginning to feel that somehow Verizon "crippled" their app loading system to allow only software that they "approve", though I don't know this for a fact.
I've called Vz tech support, who got in touch with BB tech support, who said that if the desktop manager doesn't load it then it's not 8130 acceptable software. Since there is not any software yet specific to the 8130, I can't test the theory.
Specifically, I've tried installing both Blackberry Alerts and Handango's own InHand, neither successfully.
If anyone has a different experience, please post it.