LG G4 US991 32GB Smartphone (Unlocked, Black Leather)

LG G4 US991 32GB Smartphone (Unlocked, Black Leather)

LG G4 US991 32GB Smartphone (Unlocked, Black Leather)

LG G4 US991 32GB Smartphone (Unlocked, Black Leather)

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Product Highlights

  • GSM + CDMA / 4G LTE Capable
  • North American Variant
  • Rear 16MP 1/ 2.6" Camera + 8MP Front
  • f/1.8 Lens + Optical Image Stabilization
  • Manual Mode + RAW Photo Capture
  • Qualcomm Snapdragon 808 Hexa-Core CPU
  • 32GB Storage Capacity + 3GB of RAM
  • 5.5" 2560 x 1440 IPS LCD Display
  • Android 6.0 Marshmallow
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This device is unlocked and should work fully with carriers listed below with green bars. Yellow bars denote partial network coverage. A SIM card and service plan must be purchased separately. Network compatibility listed here is for reference only and does not guarantee phone compatibility or activation on CDMA Carriers.

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LG US991 Overview

  • 1Description

The LG G4 US991 32GB Smartphone in black leather features a 5.5" IPS Quantum display and a Quad HD 2560 x 1440 native resolution. The IPS panel allows for wider viewing angles while the native resolution allows the LG G4 to play back 1080p Full HD content. The display is also a capacitive touchscreen with full support for the multi-touch gestures incorporated into the Android Marshmallow operating system. The screen is also made with Corning Gorilla Glass 3 for high scratch resistance and screen durability.

The LG G4 is powered by a hexa-core Qualcomm Snapdragon 808 chipset with 3GB of RAM in support. The chipset utilizes a big.LITTLE configuration, which uses two processors that work independently from each other to better manage performance and battery life. The micro-USB port allows you to charge as well as transfer data quickly from your computer to the LG G4 and vice versa. The micro-USB port also supports 4K SlimPort. SlimPort uses a single cable to deliver ultra high-definition video and audio from your LG G4 to a wide range of external displays, including projectors, PC monitors, and HDTVs. In order to take advantage of SlimPort, you'll have purchase a 4k compatible SlimPort adapter (sold separately).

Bluetooth 4.1 + LE is onboard for pairing with other Bluetooth-enabled devices. 802.11a/b/g/n/ac Wi-Fi is also integrated for high-speed Internet connectivity. Built-in NFC allows you to instantly connect to other NFC-enabled devices for content sharing, simply by tapping the two devices together. A-GPS with GLONASS is also available for using Google Location and Maps services. Additionally, the LG G4 has a removable 3000mAh battery. The LG G4 also allows you to charge your battery via wireless charging with a Qi-compatible case or Qi chip (sold separately). Under the battery door, the LG G4 offers a microSDXC interface for added storage capacity. The LG G4 comes with the Android Marshmallow operating system. Lollipop features the Material Design.

Note: The US991 is a North American variant of the LG G4 that supports both GSM and CDMA networks. It will run on any GSM network that uses cell frequencies supported by the device, such as AT&T and T-Mobile. It is also compatible with select CDMA carriers. However, activation may not be supported on all compatible CDMA networks. If you are planning to use this on a CDMA carrier, please confirm that the carrier will support this device on their network.

GSM + CDMA / 4G LTE Wireless Connectivity
This phone is designed to work on select GSM and CDMA networks and is 4G LTE capable. LTE is an advanced cellular network data protocol capable of data speeds so fast that they compete with wired broadband internet providers. With an LTE connection, this phone should have no problem streaming HD video, downloading apps, uploading photos, or anything else that requires a high-speed data connection. The phone is also backwards compatible with 3G and 2G data for instances when you can't get LTE. In addition to cellular wireless, this phone also features Bluetooth, NFC, and Wi-Fi connectivity.

Note: Not compatible with all cellular networks. Please make sure your provider uses a frequency or band that this phone supports, and that they will allow you to used carrier unlocked phones. You can check which bands this phone works with in the Specifications.
North American Variant / US Compatible LTE
The US991 is a US variant of the LG G4. The US991's LTE radio is tuned to frequencies that are most often used in the United States and North America. It can also be used in other parts of the world; however LTE access may be limited or unsupported, depending on the network. To ensure this phone will work with your carrier please check to make sure the frequencies your carrier uses are supported by this phone. The full list of compatible carrier frequencies can be found here, the frequencies this phone supports can be found in the product specs.


Manual Mode
Shutter Speed
Fine-tune your exposure with shutter speeds as slow as 30 seconds for low-light situations or as fast as 1/6000 of a second for fast-action shots.
White Balance
Take total control in Manual Mode with manual adjustment of white balance while the Color Spectrum Sensor detects white balance levels from 2400 to 7400 Kelvin to help determine more accurate colors.
Users can set the sensitivity of the image sensor from ISO 50 to 2700 to better suit the environment, the needs of the subject, or individual photography styles.
Exposure Compensation
Adjust your image's exposure +/- 2 stops in situations when your subject is brighter or darker than its surroundings. This is particularly useful with backlit subjects and night photography.
RAW Image Capture
Format your photos as high-quality RAW files, which is favored by professionals for their minimal compression and compatibility with professional editing software.
Level Gauge & Histogram
Helps you get your composition and exposure right the first time, reducing the need for cropping and adjustments later.
f/1.8 Low Light Lens
The f/1.8 lens on the LG G4 has a large aperture to give you faster shutter speeds and sharper, clearer images in almost any light; from bright and sunny days on the beach to dimly-lit nights on the town.
16-Megapixel 1/2.6" Sensor
With its large, high-performance sensor, the LG G4 provides details can be captured with greater precision, even when zoomed in.
Color Spectrum Sensor
The Color Spectrum Sensor on the LG G4 helps to achieve more accurate color and reproduction with improved white balance. Now, when you snap a photo, you can be sure that what you saw is what you got.
Optical Image Stabilization & Laser Autofocus
The rear camera can take a shot with just a quick double-tap of the rear button. Laser Auto Focus helps the camera to focus in an instant, even in low light. Optical image stabilization allows you to get crystal-clear images with less worry about camera shake.
UHD Video Capture
You can record with the LG G4 in ultra high-definition. The LG G4 even lets you send 4K content from your LG G4 to your HDMI-enabled TV.
Selfie Light
LG has elevated the art of the selfie with the LG G4. With an 8 MP front-facing camera and a soft selfie light that brightens around the border of the photo preview window, you can take the selfie you want.
Gesture Shutter & View
To start the photo timer, simply open your hand then make a fist. Want to capture photos in a sequence? Open and close your fist twice for four selfies in a row. Gesture View can even switch between image capture and picture review automatically when you bring the phone down then back up.


5.5" IPS Quantum Display
The LG G4 features a 5.5" display with in-plane switching (IPS) technology, which provides wider viewing angles and less glare. Featuring a Quad HD 2560 x 1440 native resolution, the LG G4 has 538 pixels per inch for ultra-sharp images. The display is also a capacitive touchscreen so it supports multi-touch gestures found in Android. The LG G4 can playback 1080p Full HD content. The screen is built with Corning Gorilla Glass 3 for high scratch resistance and durability. The LG G4 can play HD movies, YouTube streaming videos, and photos while delivering clean and clear visual quality. Increased brightness makes photos and videos easier to see, whether you're in a brightly lit room or outdoors on a sunny day. A broader range of bright to dark means everything on screen now has crisp whites and nuanced black with more shades in between. The range of the LG G4's display reproduces sunsets, selfies, salads and more in vibrant color that cover 98 percent of the DCI color space standard.


Qualcomm Snapdragon 808 Chipset
The Snapdragon 808 chipset features a big.LITTLE configuration, which uses two processors that work independently from each other. For everyday tasks, the LG G4 runs on the dual-core Cortex-A53 CPU for energy efficient. When you require more performance, the LG G4 switches over to the more powerful quad-core Cortex-A57 CPU. This setup allows the LG G4 to conserve battery life when not in heavy use while still providing the performance you need when you want it.
Up to 2TB mircoSDXC Card Support
The LG G4 comes preloaded with 32GB (available user memory will be less) of built-in storage, but can be expanded with microSDXC cards up to 2TB.


Ergonomically Shaped with Classic Touch
The LG G4's ergonomically-shaped body form hugs the contours of your hand and the genuine leather cover is designed to look as good as it feels.
Trademark Rear Button
The trademark rear button puts the control right where you want it and off the sides of the device, giving the LG G4 a smooth, uninterrupted profile. The result is elegantly sleek and functional.


3000mAh Battery
The removable, replaceable battery in the LG G4 lets you stay on the go while another battery charges. The high-loading battery boasts both a high capacity and a slim design, so it lasts and lasts without compromising the slim profile of the LG G4.
Smart Power Saver Mode
Smart Power Saver Mode extends battery life by utilizing improved technologies to reduce power consumption and turning off non-essential features at a certain battery level.

Operating System

Android 6.0 Marshmallow
The Android operating system integrates heavily with Google's services. Using the card-based Google Now, Android quickly surfaces information for you whenever you need it, powered by the same Knowledge Engine that runs Google's web search. It's a personalized and customizable OS, allowing you to add your favorite apps or widgets to your homescreen. You can even download new themes using the Google Play Store, which offers access to more than one million apps, games, books, music, movies, and more. Android 6.0 Marshmallow overhauls permissions, allowing you to have finer control over what your applications have access to. It also marks the debut of Now on Tap, a context-sensitive update to Google Now that checks your current screen for keywords and then searches for them automatically. Other performance and security enhancements are included as well.
In the Box
LG G4 US991 32GB Smartphone (Unlocked, Black Leather)
  • USB Cable
  • Travel Adapter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    LG US991 Specs

    Operating System Android 6.0 Marshmallow
    Memory 3 GB
    Chipset Qualcomm Snapdragon 808
    CPU 1.82 GHz ARM Cortex A57 Dual-Core
    1.44 GHz ARM Cortex A53 Dual-Core
    GPU Adreno 418
    Storage 32 GB
    Size 5.5"
    Native Resolution 2560 x 1440
    Display Colors 16.0 Million
    Aspect Ratio 16:9
    Pixel Density 538 ppi
    Display Technology IPS-Type LCD
    Screen Coating Gorilla Glass 3
    Input/Output Connectors
    Ports 1 x USB - Micro
    Audio 1 x Integrated Speaker
    1 x Integrated Microphone
    1 x 1/8" / 3.5 mm Headphone
    Flash Media Slot 1 x microSDXC
    SIM Card Size Card 1: Micro
    CDMA 2G CDMA: 800, 1900 MHz
    GSM 2G GSM, GPRS, EDGE: 850, 900, 1800, 1900 MHz
    CDMA 3G CDMA2000, EV-DO: 800, 1900 MHz
    GSM 3G/3.5G UMTS, HSPA+: 850, 900, 1900, 2100 MHz
    4G LTE LTE: 2, 4, 5, 12, 13, 17, 25 Bands
    Wi-Fi Yes, Wi-Fi 5 (802.11ac)
    Bluetooth Bluetooth 4.1 + LE 
    NFC Yes
    Infrared Yes
    GPS Yes
    Sensors Ambient Light Sensor, Accelerometer, Gyroscope, Proximity
    Water Resistance None
    Keyboard Virtual
    Battery Removable Lithium-Ion (3000.0 mAh)
    Dimensions (W x H x D) 3.0 x 5.9 x 0.4" / 7.6 x 15.0 x 1.0 cm
    Weight 5.47 oz / 155.07 g
    Packaging Info
    Package Weight 0.8 lb
    Box Dimensions (LxWxH) 6.2 x 3.4 x 2.0"

    LG US991 Reviews

    G4 US991 32GB Smartphone (Unlocked, Black Leather) is rated 4.1 out of 5 by 146.
    Rated 1 out of 5 by from Not even lasted for 6 months Bought last May'17. Started facing problems in 3 months and now it is completely unusable
    Date published: 2018-03-11
    Rated 2 out of 5 by from Not recommending Not bad performances overall, however, after having it for a year, the volume on the phone became very low. It is hard to hear anything during the call. I read online, and it's a known problem of this phone. The speaker and the headphones work fine. Otherwise, pretty fast, but since hearing is one of the core telephone features, I would not neither buy again, nor recommend this phone to the others. I had a bad experience with LG phone a few years ago, but I decided to give LG another chance with this one. I regret it.
    Date published: 2017-09-02
    Rated 1 out of 5 by from Beware...!! Avoid LG G4. It will not gonna last more. I bought my LG G4 in last week of March 2017. I'm using it for MetroPCS. Everything was looking good for 1-2 weeks & then i had difficulty with network. frequency of call dropping increases, going direct to voice mail while someone is calling, network signal becomes weaker & so wireless network. After a month's use, battery draining fast (even on stand-by), phone getting hotter (Top Left side), apps running slow & touch response lagging. After 3 month of use, screen starts flickering, screen splitting in half, screen discoloration, blank screen (white screen) as well as 'Black screen' & then next week screen issues becomes permanent (100% of time when it woke up). Now, it doesn't wake up after screen turn off. Can't do system reset by removing battery & hold power button for 1 min. (works only 1 in 20-25 times). When it works, screen still not behaving, so you can't use it either way. When someone is calling you, you can't pick up your phone because you can't see anything on screen, if by chance someone calls you during its woked up, you can't hear them properly because call drops almost everytime. Try to sent to LG for repair, but online request says IMEI number is invalid. No idea if B&H sent me authorized LG or not...?? Did 'Factory Reset' today, still no luck; screen issues continues. Want to return it, but LG says IMEI invalid and B & H says not returnable. Will never buy LG nor from B&H again...!! (even after product page says 1 year manufacture warranty) This phone LG G4 has serious hardware as well as software issues & they are selling it with knowledge of these issues. LG should recall these phones...!! I had 2 LG phones before which had battery & network problems, but i was never going like these trauma (if you use it for your profession as i do). Will go back to my samsung (even it also had battery problem).
    Date published: 2017-08-24
    Rated 4 out of 5 by from LG Makes A Good Phone!! This may not the greatest phone on the planet... but it's up there. In fact, I cannot think of a single 'con' to report. 3 GBS of RAM make this phone fast and responsive. An octagon processor lets me work on multiple apps at the same time. The screen is more than 5 inches, and the Wifi stretches. Now, realize this phone is 2 years old; a 2015 model. But it is brand new, with a full one-year warranty and it worked like a charm, right out of the box. Because it's an older model, the price was low, low, ,low... and I would recommend it to anyone!
    Date published: 2017-07-08
    Rated 1 out of 5 by from Beware LG G4 flaws that will brick phone We had purchased 3 LG G4 phones from B&H Photo last year before we learned of the smartphones inherent flaw -- boot loop. What that means is that the phone will suddenly shut-off and then reboot, over and over, until it overheats, fries its circuits and bricks. We've had it happen to all three of the LG G4 unlocked international phones. Yes, LG will replace but with a lesser quality model and a locked branded phone that's full of bloat ware. My advice is simply to choose some other make of smartphone.
    Date published: 2017-07-03
    Rated 3 out of 5 by from Loved it while it worked Great photos. Really good. I like the LG skin of android, useful. Battery was sufficient (day and a half) with moderate usage if you turned all the comms off (BT, Wifi, location) other than the cell. (my workplace has wifi, but only for company devices, and I have an unlimited dataplan so I never use wifi) Big problem - there's a hardware trace problem with the phone that causes boot looping and eventual bricking of the phone. Mine worked flawlessly for 13 months. Then I had a month of boot loop, then it bricked. If your phone bricks within the warranty, you get a new phone. If it bricks just outside of warranty? You're hosed.
    Date published: 2017-06-27
    Rated 1 out of 5 by from LG G3 Bricked Itself Within 5 Months Before buying the LG G4, learn about its problems that lead to the phone bricking itself. Google LG G4 problems. It is a deeply flawed smartphone. My wife and I purchased two from B&H and both failed -- my wife's phone had the infamous LG boot-loop and bricked; mine overheated and fried itself. A model US991 that my wife bought failed the same way within five months. Both LG G4 phones that my son bought on B&H failed within four months. I have urged B&H to drop the LG G4 smartphone from its product line. I think it is a blemish to the B&H reputation.
    Date published: 2017-06-02
    Rated 5 out of 5 by from I would recommend this product to any one who loves android Very nice UI, This phone has its own features and app which is very handy. When comparing to the price and with other phones, this is a best product I had ever used. Battery last longer than my previous phone, has 2k sharp display, smart wifi sense and also has remote controller in built app from LG which works with my Yamaha receiver, TV, also my BlueRay player. Smooth leather grip with which makes it special as well.Multitasking is my favorite features on this phone. Camera is ver nice, able to take picture in low light as well. Dropped it couple of times (accidently) and it doesn't even have a scratch.
    Date published: 2017-06-02
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    Will it work with tracphone ?
    Asked by: Rudy S.
    The best answer is that it might work. The first thing to check is if you already have Tracfone service is contacting them to find out if your sim card is CDMA or GSM. If your sim card is CDMA, the LG G5 RS988 is not going to work. If your sim card is GSM it will work with Tracfone service. If you are a new Tracfone customer looking to set up new service you need a GSM sim card.
    Answered by: James B.
    Date published: 2018-08-26


    Is this phone working on METRO PCS ?
    Asked by: Anonymous
    Yes. I'm using MetroPCS. May have network problem with LTE.
    Answered by: Bimalbhai P.
    Date published: 2018-08-26


    Does this phone work with T-Mobile wi-fi calling feature?
    Asked by: Rick D.
    This does not work with T-Mobile wi-fi calling feature.
    Answered by: Jerry R.
    Date published: 2018-08-26


    Can I use this phone with sprint
    Asked by: Anonymous
    It is not on Sprint's list of eligible phones on their website. You would have take it to a Sprint store to see if they can activate it.
    Answered by: Jeff S.
    Date published: 2018-08-26


    Can this phone(LG G4 US991) be used in Canada?
    Asked by: Zhilong C.
    Not entirely sure but it seems others answering here are certain you can.
    Answered by: ALI S.
    Date published: 2018-08-26


    Will it work with sprint?
    Asked by: Paul M.
    The definitive answer is .... MAYBE!As the phone is GSM it will not work on a system that has only CDMA available. HOWEVER, as all of the carriers are now supporting LTE, it will work as long as LTE is available. This is why it has a SIM card like a GSM phone. If you are in an area where LTE is not present, the phone won't operate if it is linked to a CDMA system, but it MAY work on roaming on a competitors GSM system if there is an agreement between Sprint and that carrier.As Michael W. said: ask Sprint if they support this particular phone.
    Answered by: Anthony S.
    Date published: 2018-08-26


    Will this work with Verizon?
    Asked by: Daniel B.
    No, because Verizon uses the old CDMA system, but the LG G4 uses GSM.
    Answered by: Richard D.
    Date published: 2018-08-26


    Will this work with Verizon?
    Asked by: Ezra B.
    No, because Verizon uses the old CDMA system, but the LG G4 is a GSM phone.
    Answered by: Richard D.
    Date published: 2018-08-26
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