For the average user, this was the peak of the official software experience. It made the phone feel "finished," but it was already behind the curve as Android 4.0 (Ice Cream Sandwich) was hitting the market.
Before changing the firmware, you must unlock the device's "brain." firmware+change+update+on+lg+p970+optimus+black
For a true "change update," most users bypass stock and go straight to (Android 4.4.4). For the average user, this was the peak