I doubt they will port the new ui to it. As we know for the past that lg is gay so they only update their device for a few months before they ditch the device and move onto a newer device. All they care is about making more and more money from us.
I even contacted them regarding this and they said they will see if our g pads hardware can support it. It's a silly answer because the g pad 8.3 is much more powerful than the new line of tablets witch run the new UI.
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