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LG G4 review: big, leathery, and impressive in all the right places

Update: LG will repair devices affected by bootloop fault

The LG G4 is the company's contender for 2015’s finest smartphone. With an ever-so-slightly curved screen, QHD resolution, and seductive leather back, the G4 certainly has chart-topping potential. But does it improve on its predecessor enough to have that ‘wow’ factor or is LG settled on ‘more of the same’? Read our LG G4 review to find out.

If your LG G4 is stuck in an infinite bootloop, LG has finally owned up to the problem and promises to fix your device. Skip to the Software section for more details.



  • Unique, comfortable design
  • Fast performance
  • Fantastic camera
  • Stunning display


  • Battery doesn't last long
  • Uninspiring UI
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LG G4 release date and price

The global LG G4 release date was early June 2015. It's selling for US$599/£490 for the model with the plastic (sorry, ‘ceramic’) back panel and US$610/£510 for the leather-backed model. The latter also comes with a spare plastic battery cover.

The LG G4 price undercuts its rivals by US$50-100. The prices can be attributed to a lack of extraneous gadgets (see the 'Special features' section below) and a cheaper-than-the-competition Snapdragon 808 chipset. Do these factors make it a lesser phone than its rivals though?



AndroidPIT LG G4 display front
The LG G4 has a satisfyingly bold design. / © ANDROIDPIT

LG G4 design and build quality

The first thing you might notice about the LG G4 is that its screen curves ever so slightly. If you found the crescent-shaped LG G Flex 2 a bit too outrageous, don't panic; the curve of the LG G4 is much more subtle.

This design means that the Gorilla Glass 4-covered screen is better protected from scratches when you place it face down, because most of the screen doesn't actually touch the surface you placed it on. To this end, there is also a slight 'lip' around the edge of the screen.

AndroidPIT LG G4 side view
The front of the LG G4 is slightly curved to keep it out of contact with surfaces when face down. / © ANDROIDPIT

LG claims that this design also makes the screen more shatterproof. It's 20 percent stronger than the LG G3, apparently, though we'd be interested to see how many phones it had to destroy to test this.

The curved display is framed by super-slim bezels on the sides, and there's an elegant carbon-fiber effect under the glass. 

AndroidPIT LG G4 front pattern sensors
That carbon fiber texture under the glass is a very nice touch. / © ANDROIDPIT

A key thing to consider about the leather rear plate is that it inevitably gets worn down over time. LG spins this positively, saying that this will make each LG G4 unique to its owner, as the leather will wear and adapt depending on how you hold, use and treat your phone.

This is, of course, just a romantic way of saying that leather degrades faster than aluminum or plastic, and it's up to you to decide whether the resulting look appeals to you. 

lg g4 back leather black full
The leather back version of the LG G4 looks great, but be aware it'll wear over time. / © ANDROIDPIT

The other case option for the LG G4 is ceramic. This still looks and feels unique and classy, though we are certainly still more drawn to the leather-backed version. 

One of the best design features of the LG G3 was the rear-mounted volume rocker and power button, and we're pleased that LG has retained this on the G4. The positioning of these controls is perfect, because you operate them using fingers that naturally wrap around the back of your phone, leaving your thumb free to carry out on-screen actions. It might just take you a while to stop instinctively trying to find them on the sides of the phone.

lg g4 back five
The ceramic version of the LG G4 looks less elegant but might look good longer. / © ANDROIDPIT

The removable back cover conceals the SIM and microSD slots, meaning that the only slots around the outside of the phone are the USB port and audio jack, which makes for a clean design. There is also a virtually invisible pinprick of an IR blaster at the top of the phone, which lets you use your G4 as a remote control.

lg g4 sd sim
The microSD slot and SIM card are kept nicely hidden under the removable back cover of the LG G4. / © ANDROIDPIT

The curve of the screen and the relatively big battery in the LG G4 means that it’s not the slimmest of phones. It's 9.8 mm deep, but this seems a reasonable trade-off, because the vast majority of smartphone users – including ourselves – prioritize battery life over svelteness.

The LG G4 design makes a bold statement, giving it a strong identity next to other, more delicate-looking flagships.

lg g4 side front three
The QHD display on the LG G4 delivers vivid yet natural colors. / © ANDROIDPIT

LG G4 display

The LG G3 was the first smartphone to have a QHD resolution (2,560 x 1,440) display. The LG G4 retains a QHD display, while this time aiming for the Digital Cinema Initiatives (DCI) color standard, which focuses on recreating more natural colors than the sRGB standard, which most other smartphones use.

Its viewing angles are perfect, and the display is blindingly bright when turned all the way up (although not quite as bright as the competing Galaxy S6). Being an IPS LCD display, blacks aren’t as deep as on the AMOLED screen of the LG G Flex 2, but this doesn’t make the screen inferior.

AndroidPIT LG G4 call speaker detail
The LG G4's bezels aren't quite as slim as the LG G2's. / © ANDROIDPIT

The LG G4 display achieves 98 percent DCI color reproduction, sacrificing eye-searing saturation for more subtle, nuanced colors. While it’s not as eye-catching as an AMOLED display, there’s something to be said for the images you see on screen accurately representing real-life.

It’s always impressive when you get the feeling that nothing more could be squeezed out of a given feature on a phone, and yet LG has managed it here. The G4 had a tough task in topping the game-changing display of its predecessor, but it’s done so in every little way possible – particularly in terms of brightness and color reproduction.

While resolution and ppi are the same as on the LG G3, we think that QHD is the sweet spot for smartphone resolutions, and will continue to be for some time yet.

LG G4 1 29
Can you call this a special feature? / © ANDROIDPIT

LG G4 special features

You'd normally expect the 'Special features' section of a flagship phone review to be filled with various gadgets, gizmos and ‘wow’ features, that you’re just as likely to love as never use in your life. However, the LG G4 gives us surprisingly little to write about on this front.

A case could be made that features such as wireless charging, heartbeat monitors and fingerprint sensors are all superfluous at this point in time, but they do indicate a desire to try new things with smartphones that could eventually prove life-changing. Has LG just been lazy in omitting these?

AndroidPIT LG G4 ports
There are no bells and whistles in the LG G4, just the basics done well. / © ANDROIDPIT

Another way of looking at it is that the LG G4 is a no-nonsense smartphone, eschewing all unnecessary add-ons and focusing on delivering a top-quality user experience at a very reasonable price for a flagship. We’re leaning towards this point of view, and think that the LG G4 price easily justifies the phone not being quite the James Bond gizmo that the Galaxy S6 Edge is.

Aside from a host of voice commands for taking photos, rejecting phone calls and switching off alarms, the most noteworthy special feature on the LG G4 is MirrorLink, which lets you beam a car-friendly version of the G4 interface onto compatible car's in-dash display.

AndroidPIT LG G4 Lollipop change app icon whatsapp
The LG G4 offers some customization options, such as changing icons and navigation buttons. / © ANDROIDPIT

LG G4 software

LG has come a very long way on the software side of things in recent years, and its new UX 4.0 UI, running on Android 5.1 Lollipop, is its slimmest, simplest offering yet. But as with all manufacturer skins, it won't be to everybody's tastes.

androidpit lg g4 homescreen
LG's UX 4.0 UI is bloat-free and functional. / © ANDROIDPIT

Smart Notice – the large widget at the top of the main home screen – is arguably more useful than equivalent widgets on other phones. It provides the usual weather, time and temperature information, but also has a small message underneath that forecasts the weather for the rest of the day. It reminds you, for example, that it may be clear now, but will rain later so you'd best have an umbrella on standby.

Tapping the Smart Notice message expands the widget, showing key information about your phone – which apps are using up the most battery, for example – with the option to stop them instantly.

androidpit lg g4 software
The QRemote app (left) turns the LG G4 into a remote control while Smart Notice (right) gives you useful information about your phone. / © ANDROIDPIT

Smart Settings is a particularly useful feature that syncs with Lollipop’s My Places, in which you can set various locations where you don’t need a password to unlock your phone.

Smart Settings builds on this by letting you set Wi-Fi and Bluetooth to automatically switch on when you’re at home, for example, or set a silent profile when your phone detects you arrive at work. You can also order your G4 to automatically switch to your favorite music app when your plug your headphones in.

androidpit lg g4 smart bulletin
We had little use for the Smart Bulletin Board (left), but Smart Settings (right) makes great use of Lollipop's Trusted Places feature. / © ANDROIDPIT

The Smart Bulletin board makes a return in the LG G4, and can be accessed by going left from the home screen. It features tabs pointing you to LG’s Health, Calendar, Music, Smart Settings, and QRemote (IR remote control).

None of LG’s own apps have any exceptional qualities, so you may find this feature of little use if you end up using third-party apps. Thankfully, you can switch it off so it won’t get in your way.

androidpit lg g4 dual window
Use Dual Window to multitask, a feature which has improved little since the LG G3 days. / © ANDROIDPIT

The Dual Window feature also returns from the LG G3, and can be accessed by tapping the Recent Apps navigation button. It's a nice touch, letting you view two apps on the screen at the same time, and even adjust the sizes of the windows they are displayed in. Perhaps the 5.5-inch LG G4 display is a bit tight on space for this to be fully functional, but it’s a feature that we hope will evolve to become more practical with time.

Several months of user complaints regarding a persistent bootloop issue went unignored by LG until Android Authority took matters into their own hands and elicited a response from the Korean firm, which now promises to repair affected devices.

LG states that the problem stems from "a loose contact between components". If your G4 suffers from this problem, take it into the carrier branch where you bought it, or into a local LG Service Center, and LG will repair it under full warranty.

LG G4 performance

It goes without saying that the LG G4 specs ensure it runs perfectly smoothly even under a fair amount of strain. The hexa-core Snapdragon 808 chipset – with its two Cortex-A57 cores clocking speeds up to 2.5 GHz – handles standard tasks swimmingly, though when put under strain it does wane a bit compared with the octa-core Snapdragon 810.

When running high-end graphics benchmarks on GFXBench, the Adreno 418 GPU couldn't handle the demanding Manhattan ES 3.1 test, which ran at a hopeless 5.8 fps. This was at 1,440p resolution to be fair, but even at 1,080p, it only managed around 11 fps, whereas the Snapdragon 810 GPU managed 18 fps (which makes a big difference in the low fps range).

androidpit lg g4 antutu
The LG G4 benchmark scores belie its near-flawless real-world performance. / © ANDROIDPIT

All the lovely animations of Android Lollipop run smoothly on the Snapdragon 808, web browsing is a cinch, and switching between open apps – even demanding games like Asphalt 8 and Real Boxing – is smooth. Along with these apps, we had around 10 tabs open in Chrome at the same time and the 3 GB of RAM never showed signs of suffering.

Frame-rates in games were a little bit lower than on other flagships, which can be attributed to the QHD resolution rather than any deficiency in the Adreno 418 graphics processor. It's a trade-off between a super-crispy 2,560 x 1,440 resolution and a lower frame-rate, and whether this is preferable or not comes down to personal taste.

For us, the graphics in Android games don't quite warrant 1,440p resolution, so we prefer to stick with 1,080p resolution and get faster performance for the time being. When our games demand 1,440p, we'll reconsider.

androidpit lg g4 asphalt
The LG G4 runs games at 2,560 x 1,440 resolution, so frame rates are a bit lower than on flagships with 1,080p displays. / © ANDROIDPIT

The LG G4 does a decent job of multitasking, easily handling 10 open Chrome tabs along with one high-end game in the background. When we tried running two or three high-end games in the background though, the G4 would automatically close them until there was just one open, which is a bit less than the Snapdragon 810 can handle.

The Snapdragon 808 offers flagship-worthy performance that's great value for money, though after some time with it, we can say that it's noticeably – though not drastically – weaker than its octa-core rivals.

lg g4 back
The lone speaker on the rear of the LG G4 delivers decent – if not world-beating – sound. / © ANDROIDPIT

LG G4 audio

Another area in which LG didn’t go above and beyond the flagship call of duty is the speaker, which is a mono offering tucked away at the bottom corner of the phone’s pretty rear. It pales in comparison to the stereo blasters on the HTC One M9, but still does a good job of delivering loud – if not entirely crisp – music on a similar level to the Galaxy S6.

A little-known trick on the LG G4 is that you can connect a pair of wired and bluetooth headphones to the phone simultaneously, and listen to the same thing on both of them, which is pretty cool.

Call quality and volume is perfectly sufficient and there is little background interference when speaking to people in loud environments.

lg g4 back leather camera
The colorful leather design is certainly eye-catching. / © ANDROIDPIT

LG G4 camera

The LG G4 camera takes a bump up to 16 MP, but perhaps more crucially it has a large f/1.8 aperture and OIS 2.0 (Optical Image Stabilization 2.0). This means it captures plenty of light, and also gives a good amount of leeway for those with shaky hands to not end up with blurry images.

More so than any of its rivals, LG has focused on making the G4 camera a worthy secondary camera for people interested in DSLR photography. To this end, there is a robust manual mode alongside the standard ‘auto’ mode and a ‘simple’ mode, in which you simply tap anywhere on the screen to take a photo.  

The manual mode is filled with options, letting you change ISO, shutter speeds and focal depth of the G4 camera. You can also change the color temperature, and even save photos in RAW format – great for advanced photographers who do their own image processing.

lg g4 camera
The LG G4 camera fires on both the software and hardware fronts. / © ANDROIDPIT

The camera features LG’s color spectrum sensor (CSS) instead of a dual LED flash. This technology, in line with the display itself, measures the light conditions of your environment and determines the white point of an image accordingly.

In plain English, this means that colors in photos come out balanced, with no yellow or blue tints, which some smartphone cameras suffer from. The sensor also captures natural, nuanced reds well, as you can see by looking at the tomatoes in our image gallery.

lg g4 back seven
The 16 MP rear camera on the LG G4 uses a single LED flash and a 'color spectrum sensor'.  / © ANDROIDPIT

At their best, photos taken with the LG G4 camera look spectacular, capturing a level of detail that's only matched by the Galaxy S6. Night shots are well-balanced, and the flash captures plenty of detail without making the subject look over-exposed against a dark background.

Does the LG G4 camera beat the top-dog Galaxy S6 camera? Based on our time with it, it’s not quite there, but we’ll give a more definitive answer when we do a side-by-side comparison of the two. In the meantime, check out our LG G4 camera snaps gallery below.

LG G4 battery

LG was adamant that the 3,000 mAh LG G4 battery was going to more than justify the added bulkiness of the phone. Longer battery life was also a key reason for opting for the six-core Snapdragon 808 chipset rather than the hotter and hungrier eight-core Snapdragon 810.

From our time with the LG G4, its battery power wasn’t all that impressive. Using the phone moderately – making a few phone calls, playing about half an hour’s worth of videos, but cranking the screen up to full brightness – we got just under 18 hours use out of it before it needed a recharge (that included around seven hours of sleep, when the phone wasn't being used).

AndroidPIT LG G4 battery cover removed
We still like having a removable battery in the LG G4. / © ANDROIDPIT

The majority of battery use was attributed to the notoriously battery-draining Facebook app, immediately followed by the screen. While a screen is expected to be a big battery drain, we think that the QHD resolution and undeniably top-quality display took a bigger-than-expected toll on battery. The Smart Notice feature and the useful native battery monitor help make up for this to some extent – they both let you pick out and close battery-hogging apps.

Contrary to early reports, the LG G4 battery does have Quick Charge 2.0, a built-in feature of the Snapdragon 808 chipset. This means you can charge around 60 percent of the LG G4 battery in just half an hour.

androidpit lg g4 battery usage
The LG G4 battery drained quite fast, due to the demanding QHD display... and Facebook. / © ANDROIDPIT

LG G4 technical specifications

    • Type:
    • Phone
    • Model:
    • H815
    • Manufacturer:
    • LG
    • Dimensions:
    • 148.9 x 76.7 x 9.8 mm
    • Weight:
    • 155 g
    • Battery size:
    • 3000 mAh
    • Screen size:
    • 5.5 in
    • Display technology:
    • LCD
    • Screen:
    • 2560 x 1440 pixels (534 ppi)
    • Front camera:
    • 8 megapixels
    • Rear camera:
    • 16 megapixels
    • Flashlight:
    • LED
    • Android version:
    • 5.1 - Lollipop
    • RAM:
    • 3 GB
    • Internal storage:
    • 32 GB
    • Removable storage:
    • microSD
    • Chipset:
    • Qualcomm Snapdragon 808
    • Number of cores:
    • 6
    • Max. clock speed:
    • 1.8 GHz
    • Connectivity:
    • HSPA, LTE, NFC, Bluetooth 4.1

Final verdict

The LG G4 is a fantastic phone, and makes the necessary improvements in performance, camera quality and screen clarity to make it a worthy successor to the LG G3.

It’s bigger and bulkier than any other major flagship out there, which may attract some people while putting others off. Even if you are looking for a slightly more svelte top-end phone, you may want to give the LG G4 some consideration on account of its very reasonable asking price.

Is the LG G4 the best smartphone in the world? We think not, but only by the thinnest of margins. Samsung really came good this year with the Galaxy S6 and S6 Edge, and those two phones remain the ones to beat on account of their record-breaking performance, cameras and design. But they'll cost you significantly more than the LG G4.

AndroidPIT LG G4 leather back
Will you be buying this bold beauty? / © ANDROIDPIT

The LG G4 screen is bold and beautiful and the phone's unique design, particularly the leather version,may well attract Android die-hards who think the Galaxy S6 looks a bit too Apple. It may not feature gizmos galore, but LG’s latest flagship does everything it needs to really well.

Has our LG G4 review persuaded you to take a look at this big boy, or is it missing that special something? Leave a comment and let us know.


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  • GT Harlow 4 months ago Link to comment

    But in the real world, the G4 it's a total piece of garbage. The functionality is elementary and the performance is comparable to dial-up. My Motorola Razer outperformed the G4, hands down.

  • Lee Cason 11 months ago Link to comment

    IT supports quick charging now update your article, however battery still small but is replaceable.

  • just visiting #IAA2015 in Frankfurt. I got voucher for discount at sygic stand for sygic car navigation. the code is iaa2015, you can use it until Sept. 29.

  • Very disappointed. The LGG4 Does NOT SUPPORT MIRROR LINK as you stated. I just sunk Over a grand in a new head unit to assure it had MIRROR LINK. called MIRROR LINK and they confirmed it is not compatible with this phone.

    • Thanks for your feedback. That's unfortunate that your head unit isn't compatible with MirrorLink. The G4's settings state that you need a car and apps which support MirrorLink. We hope you can get this issue resolved!

  • Dan C Aug 9, 2015 Link to comment

    The phone itself is great but pray you never have to deal with LG's support. I had a hardware problem with my phone within the first month that made it necessary to send the phone to LG for warranty replacement. They held the phone for a week and a half before sending me a new one and when I got it it was for a different provider so it wouldn't activate on the Sprint network. After three and a half weeks of getting nowhere with LG Sprint finally replaced the phone for free even though I didn't pay for the protection plan. The agents at LG were dismissive and even laughed at me when I told them how I almost lost my job because I couldn't be reached by phone. They'll also reject and delete any negative reviews you post on their page to keep their reviews positive. I just received a rejection email this morning to my negative review. Normally I'd say paying for the carriers protection plan is a waste of money but it's worth it in this case if only to avoid dealing with LG directly.

    In the end Sprint came though with a brand new G4 that's working great so far, no thanks to LG.

    • I had this phone for 2 months and it just quit after an upgrade. Black screen, wouldn't turn on, zilch. I took it back to the Sprint store and they hem hawed around about insurance and nothing they could do blah blah blah. I told them I wasn't leaving until they made good on the phone because it had not even been out of the case since I purchased it. They then told me that their ENTIRE shipment of g4 phones had bad chips and they would get me a new phone. They knew this the entire time but we're going to just see how I reacted with them not doing anything before admitting fault. Absolutely shameful. I have been unhappy with Sprint in the past but this experience has really left me feeling salty. It's safe to say I will not be doing business with them in the future.

  • I've recently switched from Samsung to the LG G4 and it's a refreshing change with Lollipop goodness.
    I found the Samsung apps and settings quite frustrating. The default LG launcher is good enough not to have enabled Atom launcher yet.
    Being able to tap my Note 3 to migrate all my apps and settings was on par with iCloud if not even a little easier and faster.
    I'm very happy with all aspects of the device and glad I made the change. It's a pity reviews don't point out the qcircle case and wireless charging options. These were a pleasent surprise after making the purchase.
    Hopefully LG are way faster with updates than Samsung who have been quite woeful!

  • iveI'had the G2, G3 and now the G4. I've liked them all I didn't go for Samsung or iPhone because I've used both brands and nothing really drew me to them. LG makes a good product in all honesty, they're really slept on.

  • Just got the g4 yesterday..absolutely rocks..the littler chip is unnoticeable it can take whsatever you can give it and want more..its gorgeous..if your wondering g4 or s6 go g4 i promise you wont be dissapoibted

    • Lee Cason 11 months ago Link to comment

      Definitely the s6 has better speed and screen but will cost about 100-220 dollars more.

  • LG models has always been unique and impressive. They want to always offer complete satisfaction to their avid users and that's one of the reasons why they are patronized and a favorite.

  • Lee Jun 9, 2015 Link to comment

    lovin my black leather G4, Quick Circle case and Wireless charging dock👌 R.I.P Samsung 😋

  • God forbid why you would use that Facebook app on your phone. There's your culprit plus the phone supports quick charge 2.0

  • The G4 'does' have quick charge so battery life is a non issue.
    The S6 allows for 12+ hours of video replay versus 10+ hours for the G4. Both offer substaintially better battery life than phones of only 18 months ago.
    I have just ordered my new G4 after thoroughly weighing up the specs and price of all flagship smartphones.
    Just hope case options arrive thick and fast.

  • PDK Jun 4, 2015 Link to comment

    I still have the LG G2 and although this has a couple of enhanced features, it's still not enough for me to want to get it. The choices out there are really quite disappointing.

    • A couple enhanced features? You're kidding right? Much faster CPU, much better screen brightness/contrast/viewing angle/colors, and a camera upgrade like no other, both front and back..Those are reasons enough for me to want it and I'm on a G3 :-P

      Oh, and the leather is going to freaking rock!

      • Lee Cason 11 months ago Link to comment

        Are you kidding me the G2 is far outclassed by the G3 which is turn out classed by the g4. I can't believe how oblivious you are. Also, Patrick, YOUR points are spot on.

  • ithehappy May 24, 2015 Link to comment

    When Samsung makes a saturated display its being called oversaturated with unreal colours (and that too with default profile, which could be changed in 5 seconds), and LG makes a display with 8000+ K temp and its called fantastic.

    So much unbiased things to see in this world.

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