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LG Optimus 4X HD Review

LG’s newest flagship will be released in the Philippines in a couple of weeks. It succeeds the Optimus 2X that took the multi-core record and LG has come back for a repeat. Check out our full review of the LG Optimus 4X HD after the jump.

NVidia played a huge role in bumping up the smartphone wars with its latest Tegra 3 chip. It’s the first one to come out with a quad-core processor that a lot of handset manufacturers were excited to use. Among them is LG and that’s what the Optimus 4X HD is using.

Design and Construction

Aside from the size, the Optimus 4X HD has not really departed from the same design signature that they used in the L-series as well as the earlier LG Prada 3.0.

The handset looks squarish, a bit rigid but with a little accents of texture and simplicity.

There are two variants that’s coming out — a black one and a white one with a thin silver lining around the side. The front panel is all covered with a thick sheet of glass with the 3 soft buttons found at the bottom end that shows up with the backlit on.

The top side houses the 3.5mm audio jac, the noise-canceling mic and the power button. The left side is where the volume rocker is positioned while the right side is completely bare. At the bottom end is the microUSB port and the microphone.
At the back is the large 8MP rear camera with the single LED flash, both of which are flushed all the way to the top left side. At the bottom end is the speakers. The back cover has that hard leather-like finish to it, much like the one we saw on the LG Prada 3.0.

The Optimus 4X actually looks really bare on the exterior but all that twin strip of silver and the texture polycarbonate body makes it feel somewhat sophisticated.

The handset is pretty thin though, measuring 132.4 x 68.1 x 8.9mm — it’s among the thinnest we’ve reviewed so far.


The HD display of the Optimus 4X is certainly something to consider. With a horizontal size of 4.7 inches and a resolution of 1280×800 pixels, the pixel density of 312ppi has given it that retina-display level of clarity.
The display is sharp and clear even if you crank it up to maximum brightness (which is good when watching videos and movies).

There’s the issue of glare, especially in outdoor scenarios but that’s a problem all other handsets have faced. You can increase the display brightness to maximum level to counter this but that’s at the expense of battery life.

OS and UI

As an Android smartphone, we expected the Optimus 4X to offer all of the basic features and functionalities of the OS. Of course, LG was free to add its own touches here and there, and they actually did although the customization are very subtle and kept it within hair’s length of the stock ICS.
The Optimus UI 3.0 has greatly improved and we’ve seen it work in the L-series that we reviewed before (Optimus L3 and Optimus L7). The one of the Optimus 4X HD is more fluid and smooth. We notice though that form time to time, hitting the App launcher causes that hour-glass status to appear for a split second (giving us the impression that there’s lag however insignificant it is).

In some areas, the Optimus UI 3.0 looks simple yet elegant. However, we find the execution of the icons and widgets needed little bit of creativity.

The virtual keyboard is simple, easy to use and well-spaced apart (the landscape mode is much wider too).
LG also added a number of really useful apps they’ve made just for the Optimus 4X. One is the Remote Call Service which allows an LG technical support to remotely access your phone, diagnose and repair it (like Remote Desktop for the PC). Another is a native Backup service and a Cell Broadcast service.
The Optimus UI has gone a long way and we’re kind of liking it already.

Multimedia and Camera

Audio quality is good but we weren’t really that impressed. The speakers are the back sounds good but is not loud enough at times. We’d suggest just using a headphone with when playing songs or watching movies.
The camera app also looks basic but actually has a lot of features and settings. There’s a nifty Time Machine Shot that captures 5 frames and allows you to pick a frame to use. Image quality of the photos doesn’t seem to be that good.
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