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LG Optimus 4X HD Review

An attempt to break its under rated image in the world of smartphones, LG has come up with a phone that claims to give competition to Samsung Galaxy S3 and HTC One X. LG Optimus 4X HD is the quad core flagship model from LG. Unexpectedly, this phone has quite impressive features that can give the rulers of the smartphone world a run for their money. With a quad core processor and powerful camera, this phone is worth the limelight. Recently we did the Unboxing of the LG optimus 4X HD and today we are going to share our views about the device.

Display & Design

This phone has a flat angular design that distinguishes it against the army of round edged phones. Against the curvy subtle look of HTC One X and Samsung galaxy S3, this one has a flat angular chassis with solid edges that gives it a sturdy and classy look. Talking about the display, this phone has a spectacular 4.7 inch true HD IPS LCD capacitive touchscreen with corning glass that gives you a sharp view and prevents the screen from scratches.

lg optimus 4x hd

The screen size remains the same as the One X and the resolution is 720×1280 pixels.The display has a 312 ppi pixel density which is quite good. The phone has a dimension of 132.4 x 68.1 x 8.9 mm and weighs only 133 grams. Above the display we have a 1.3 megapixel camera and a proximity sensor.

lg optimus 4x hd front

Below the display, there are 3 usual android touch buttons, for back, home and menu. LG has given the 3rd touch button as menu button whereas it’s competitors like HTC One X has recent apps as the 3rd touch button.

lg optimus 4x hd  touch buttons

On the back side we have a 8 megapixel camera, a single LED flash, loudspeaker and LG branding. The camera is present on the top left corner of the phone and the speaker is on the bottom left corner.

lg optimus 4x hd back

LG Optimus 4X HD comes with a removable back cover. Underneath the back cover we have a battery, microSD slot and regular SIM card slot. The NFC antenna is present on the reverse side of the back cover.

lg optimus 4x hd open

At the bottom left there are 2 slits present for the speaker.

lg optimus 4x hd speaker

At the top of the phone you have a 3.5mm audio jack, power/sleep key and a secondary mic for noise cancellation.

lg optimus 4x hd top

At the bottom you have a mic and a MHL/microUSB port for charging the device as well as connecting it with the PC for data transfer.

lg optimus 4x hd bottom

You don’t have any keys/button present on the right side of the phone. Though we personally feel that LG sould have given a dedicated camera key on the right side.lg optimus 4x hd right

On the left side you have a Volume rocker which is bit hard to find.

lg optimus 4x hd left


With a 1.5 GHz Cortex-A9 quad core processor and NVIDIA Tegra 3 chipset, the phone delivers a great performance. The speed of operation is impressive even when you multi-task. The phone is emerging as a strong contender in the race to become the best smartphone with features similar to the android phone leaders galaxy S3 and One X. The phone also has a ULP GeForce GPU for enhanced graphics.

The phone comes with a 1GB of RAM and 16 GB of internal storage out of which 12GB is available for usage. The phone also supports a microSD card of upto 32GB of storage so that you never face any storage related problems. Let’s talk about the connectivity features of the phone. Optimus 4X HD supports bluetooth 4.0, wifi, HSDPA(21mbps) and DLNA. Phone also has a mircoUSB port which supports MHL that helps you in connecting the phone with TV. There is also a NFC chip present in the back cover.


The phone runs on android version 4.0 ice cream sandwich (ICS) along with Optimus UI 3.0 that has several interesting apps and widgets to keep people interested.

optimus 4x hd info

Optimus UI 3.0 has basically changed the stock android icons and added some of their widgets.

optimus 4x hd home screen

optimus ui menu

LG has also modified the Lock screen and now you just need to drag your finger anywhere on the screen in order to unlock the phone.

optimus 4x hd lock screen

LG has also modified the default keyboard. We really liked the tweaked keyboard present in the LG Optimux 4X HD. Keyboard is nice, simple and you can easily type on it.

optimus 4x hd message

In landscape mode you would enjoy even more while typing text on Optimux 4X HD.

optimus 4x hd  keyboard

The phone has a stock internet browser and we did not face any lag or other problems while browsing the net on it. It also supports flash.

optimus 4x hd  browser

One of the interesting app present in the phone is LG’s Media App which provides a common access to all your videos, photos and music.

optimus 4x hd  media

Another interesting app present in the Optimus 4X HD is the LG TAG+ which allows you to easily save or erase the settings on the NFC tag.

optimus 4x hd nfc


Another reason to buy this phone is its camera. The phone has an 8 megapixel camera which can click pictures at a resolution of 3264×2448 pixels. Company has provided a single LED flash with the camera.

lg optimus 4x hd camera

The camera is very powerful and also has several features such as geo tagging, auto focus, smile detection and fixed focus. Camera is capable of recording videos at [email protected] The camera interface is simple and easy to use.

lg optimus 4x hd camera interface

Here are few sample images taken with Optimus 4X HD camera :


The last image was taken in a completely dark room. So the camera is able to capture good images in even low light conditions. A front camera of 1.3 megapixels is also present in the phone for video calling.

Battery Life

One feature that puts this phone on the top of the smartphone list is its powerful battery. The phone is provided with a 2150 mAh Li-ion battery against the 1800 mAh of HTC One X and 2100 of Samsung galaxy S3 which was the highest among smartphones. So, LG Optimus has become an ace of spade in terms of battery life leaving behind all other smartphones.

lg optimus 4x hd battery

With such a powerful battery the phone can remain on stand by mode for upto 730 hours in 2G mode or 686 hours in 3G. The battery supports around 11 hours of talk time on 3G.


LG Optimus 4X HD is one of the best high end smartphone available in the market. It is a powerful phone that has an incredible quad core processor, sleek looks, amazing battery life and a superb camera. You can flaunt the classy design of phone and keep yourself busy with it for extended periods of time owing to its spectacular battery life. The phone would provide a tough competition to the other high end smartphones like Samsung Galaxy s3 and HTC One X.

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Akshay Aggarwal
Akshay is a Tech Enthusiast who loves to write about Technology and Gadgets. He is very passionate about blogging and has been blogging since 2009.