If, by either choice or force, you’ve found yourself with the dual-core powered LG Optimus 3D and were looking for ways to breathe new life into the device, often times, there’s no better way to do that than through root.
Usually a complicated process, an XDA user by the name of Manbearpig69 (best user name ever) has thrown together a really nice rooting guide that, not only showcases the insanely easy 1-click root method for the phone, but provides for a plethora of custom ROMs, kernels, root-apps and the like for all those willing. This awesome resource for LG Optimus 3D users can be found via the source link below just be careful, and good luck.