With the LG G4 LG has completely overhauled the user interface, or the User eXperience. Along with Android Lollipop, LG has shifted focus on the individual user rather than making overall improvements suited to anyone. Out of the box LG UX 4.0 looks great. The stock wallpaper isn’t too obnoxious, you’re immediately introduced to the Smart Notice which hopes to feed you relative information about your day – usually the weather – and a few Google Apps and some of LG’s own apps are present.

Another new addition to the UI is the Smart Bulletin a sort of BlinkFeed-like interface to the far left of the home screens. Here you’ll find relevant information about you. Whether it’s a calendar appointment, your progress in the LG Fitness app, or quick access music controls. It’s LG’s way of making the phone more easy to use and more convenient to save you from swiping left and right looking for that all important app.

The Smart Notice is even smarter too, paying attention to how you go about your day. Instead of insisting you take an umbrella to work, it’ll advise you to drive carefully if the day ahead is particularly rainy.

LG G4 6

The device itself comes with a Snapdragon 808 on board, which was a strange addition to the device as many thought LG would opt for the Snapdragon 810, like they have with the LG G Flex2. Though on paper this seems to be a bit of a step down, the device itself never missed a trick. It was sharp and snappy, and no matter what I had running in the background it showed no sign of lag. Even when using LG’s dual display, the device could easily run YouTube videos while flicking through Facebook.

Overall the UI is a great improvement over the LG G3 but it takes a little while for the device to learn your usage habits. Out of the box it’ll feel instantly familiar but after a little bit of usage you’ll start to notice a few little changes.


In the LG G4 is a removable 3,000mAh battery. Surprising considering the slight curve of the device. While the LG G Flex both were sealed units, the LG G4 can have this curve but still offer the ability to swap out batteries or even the rear cover of the device, which is impressive.

In terms of usage the battery faired quite well with heavy usage on a daily basis. I could easily continue to use the device from around 8am until around 6 or 7pm which I know isn’t a full day’s use, but it lasts long enough without desperately seeking a charge point throughout the day. Plus the addition of the removable battery allows for users to swap out with a fully charged device if needs be.

Looking back at our review of the LG G3, I commented that the device lasted around the same time, so despite the added power of the display and the improved UI, the device is consistent in that respect.

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