The #LG VX5300 joins the ranks of BREW phones with the ability to freely sideload unsigned apps!
I have noticed that the AppUI AppManager replacement doesn't play nice with the "Verizon UI" pop-ups on this device, so it's best to stick with the original "Get It Now" interface.
Relevant links can be found here: lpcwiki.miraheze.org/wiki/Runn…
Running unsigned code on BREW devices/LG - Legacy Portable Computing Wiki
This method of BREW sideloading deals with patching parts of the firmware to remove the signature checks entirely, allowing test signatures with mismatched ESNs...Legacy Portable Computing Wiki