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2.7 | 54 Reviews

LG K51™ Boost Mobile

LG LMK500UM3ABMUTN

Features

  • 6.5" HD+ FullVision™, Narrow Notch Display
  • Easy-to-use Rear Triple Camera System
  • 13MP PDAF Standard Angle Rear Camera
  • 5MP Super Wide 115° Rear Camera

See More

 
Vibrant 6.5" HD+ FullVision™ Display*

Relive your best moments and favorite shows in an HD, rich multimedia experience.

*Actual viewable area less due to notch and rounded corners.


Triple-Camera System

The flexibility to shoot 115° super-wide angle, automate Bokeh blurs, or grab a quick, one-click shot in vibrant, sharp focus.


Bokeh for Real Portrait Mode

Elevate your portraits with the 13MP camera's real-portrait mode. Add true Bokeh effects to your photos for stunning depth and beautiful background blurs that keep your subjects in focus-front and center.


4,000mAh

Enjoy more time to talk, post, text, and share confidently with the special people in your life.

*Actual battery time may vary depending on network connectivity and application use. Screen images simulated.


DTS:X 3D Surround Sound

Immerse yourself in crystal-clear virtual surround sound with front stereo speakers and mobile optimized technology that delivers a loud, rich audio experience.


3GB RAM / 32GB ROM (up to 16GB usable)*

Room to save your biggest memories and favorite apps without having to choose.

*Usable memory varies depending on software versions and settings. Screen images simulated.


Fingerprint Sensor

The fingerprint sensor helps unlock your phone conveniently and quickly for peace of mind.

Features

  • 6.5" HD+ FullVision™, Narrow Notch Display
  • Easy-to-use Rear Triple Camera System
  • 13MP PDAF Standard Angle Rear Camera
  • 5MP Super Wide 115° Rear Camera
  • 2MP Depth Camera
  • All Day Battery Life^ (4,000 mAh)
SUMMARY
Screen Resolution 1560 x 720 pixels
Battery Capacity 4,000 mAh Non-Removable
Rear Camera Resolution 13MP (Standard Angle), 5MP (Wide Angle), 2MP (Depth)
Front Camera Resolution 13MP
Processor MediaTek Helio P22 2.0GHz Octa-Core
Memory 3GB RAM
Storage 32GB (up to 16GB usable)*
Carrier Boost Mobile
* Usable memory can vary depending on software versions and settings. Up to 16GB usable on the LG K51.
TECHNICAL SPECIFICATIONS
Platform Android™ 9.0 Pie
Processor MediaTek Helio P22 2.0GHz Octa-Core
Battery Capacity 4,000 mAh Non-Removable
Talk Time Up to 21 hours*
Charging USB Type-C™ Port
Standby Time up to 24.5 days*
RAM 3GB
Hearing Aid Compatible Rating M3/T3
* Actual battery time may vary depending on network connectivity and application use.
UPC 652810834094

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

2.7 out of 5

42% of reviewers recommend this product.

1 Stars

extremely disappointed

MsMandey81 12/19/2020

We bought this phone less than a month ago. Since then these are the following issues Ive had. Issue 1: after a few days I couldnt send messages to other iPhone users for 3 days. Issue 2: during the iPhone issue I then couldnt send messages to anyone. issue3: during those two issues I then couldnt make phone calls. after those issues resolved it was two days later my screen went out. I could not touch it to make it work. which means I couldnt do anything. no calls no texts not anything. couldnt even shut it off. I am getting it replaced but Im worried the next phone will be the same way. I can tell you once I am able too Im upgrading this phone for something else and i would not recommend this phone for anyone
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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5 Stars

Awesome Display and great camera

maxeverflame 12/11/2020

this is a great device I would recommend it to everyone I know it has a great 6.5 display with 3 amazing rear cameras
Originally posted on lg.com

Yes, I recommend this product

Quality

 
2 Stars

Regretting my decision

schmooaz 12/5/2020

I got this phone when I switched to Metro by TMo. I had a choice between this phone and a Motorola phone. I been using LGs for years now and prefer their phones. Motorolas are not very intuitive for me and tend to have too many hidden settings. I went with this phone and the first thing was that it would not stop updating for almost the first day and a half I was not too concerned but noted it. After the updates and reboots things seemed okay but then I noticed it was and still is very laggy windows opening and switching take a moment. The Bluetooth is very flaky some days its fine but other days it drops or connects but cant be used on my car audio but other phones work just phone including my old phone. The lag is getting more and more pronounced I am currently looking to replace this phone since it does not seem to be getting any better.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

Ilvcshells 11/29/2020

2m bought not user friendly hard to swipeface very very easily cracked even with case and I have never cracked a face in 25ysignal is aweful blue tooth is glitchy.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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1 Stars

DO NOT BUY

Denelynn 10/11/2020

Had phone for 4 months it just died Not dropped no water or any damages Used it put it down went right back to use it again only had BLACK screen not even the charger turned it on Really??? I bought the lg k51 because I liked the phone in the beginning after returning first one due to problems That should have warned me to forget about buying another lg k51 WORST PHONE EVER
Originally posted on lg.com

No, I do not recommend this product

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Value

 
4 Stars

DO NOT PUT IN WATER

So sad now 10/10/2020

Great phone. I loved it. Great battery life fast processing for what I needed. The only downside is that the slot where the sim and sd card go is not water resistant. Like not even a little bit. Now I have a beautiful paper weight that only works on wifi and I cant find anyone to repair it.
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

Beats motorola

Hexicant 10/6/2020

So far so good.like hunting trying to get answers on certain features and controls tho
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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2 Stars

Charging issues

lilred92 10/6/2020

at first thought was an absolutely great phone. bought less than a month ago and having charging issues. wont charge at all no damage to phone whatsoever. because of that issue i cant get my imei number to have it repaired. just a pain honestly would like at least a new phone or this one fixed. have proof of purchase and current pics of phone with NO damage. no scratches nothing. very disappointed with this specific product.
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Dont buy

Eyespyhigh 10/4/2020

I thought I was upgrading unfortunately I was not my last phone worked great with no problems with mobile network. However this phone has a very poor to no service at all for my last phone had no problem with great service
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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5 Stars

Remarkable

Nancy bagwell 9/25/2020

I bought this phone 2 months ago and it has been absolutely fabulous. The speakers are close to stereophonic having a Dolby mixer inside the phone. Its loud it does not distort and its great for watching movies which is what I do on my phone. About 30 minutes ago I was in my kitchen working on my steam cleaner when it came on all of a sudden while I was watching a video on my phone or how to fix it scared me causing me to drop my phone into the sink.. It was submerged in water halfway down and stay there for approximately an eighth of a second. So far so good. It works perfect. That says a lot for I will have to leave a phone that you buy heading on contract dealer. My hats off to LG Ive always had an LG phone and this is exactly why
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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5 Stars

Excellent phone device

Jake barrios 9/22/2020

This phone is great and excellent its not as great as the samsung galaxy 20 ultra but it does compete with the iphone 11 max pro thats for sure
Originally posted on lg.com

Yes, I recommend this product

Quality

 
5 Stars

Awesome

DEE M47 9/22/2020

For what it is worthoverall the phone is great for the price. i have had NO PROBLEMS with my LG K 51 as of this point. I am with METRO BY TMOBILE and service is great The phone itself is working great and it surprises me looking at all these reviews because mine works great??? But i am giving my device a 5 star rating because you get what you pay for and it is actually a low end phone.This phone comes with alot of features for the price and i would recomend that if you are with BOOST MOBILE then switch to another carrier because they are not that good at all as well as there coverageTHANK YOU
Originally posted on lg.com

Yes, I recommend this product

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3 Stars

Love the phone but.......

Heathery32 9/18/2020

I have had my phone for over a month seemed whenever I connected my music at work through bluetooth it buffered a lot. Even when connected to wifi. Then a week ago i got a notification saying my call services dont work. I spent hours on the phone with boost finally got a new sim card that still didnt work. Now its been a week without being able to use my phone and boost cant figure out why. I liked the phone but dont know why all of a sudden I cant use it at all
Originally posted on lg.com

No, I do not recommend this product

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1 Stars

Cellular service and customer service

Totally Upset consumer 9/9/2020

I bought this phone 1 and a 1/2 months ago and ever since then I have had to reset the network settings on average twice a week and restart my phone daily...I spent 2 hours on the phone with Spectrum Mobile changed to a new sim card and still have the same problem. Even spending a week in a hospital in downtown Buffalo with the cel tower on the roof I never had more than 2 bars. Was told to contact LG who informed me I had to send my phone in to them and after they received it it would be 7 to 10 business days and I would have it returned to me. I find that totally unacceptable that in todays day and age that they expect people to go without their lifeline which is what these devices have become. At the time I contacted LG my phone was 27 days old. So I was expected to be without my phone for up to 2 and weeks for them to fix something that should have been addressed at the factory before sending them out for sale. If I could give negative stars I most certainly would Stay away from the LG K51
Originally posted on lg.com

No, I do not recommend this product

Value

 
4 Stars

I like the phone. Butttt

Tristinh24 9/8/2020

My friend and I have the same phone but maybe its service from boost but our messenger calls dont go through. Maybe it also has something to do with the fact I get installation failed when j try to update it
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

This phone sucks..

Charlie brown5609 9/7/2020

When you download your document is below and you and you take a picture if Im outside if not cleared as the advertisements are its just a bad photo of overall
Originally posted on lg.com

No, I do not recommend this product

Quality

 
5 Stars

KGYP 8/30/2020

I bought my phone about 2 months ago I am so happy I did. It has been so good to me it does everything that I ask it to do and then some I am still learning the features on it. I am beginning to wonder if they are never ending because theres something new to learn everyday about this thing that is not a bad thing at all its very good
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

Service

Tiffwoz 8/22/2020

Bought month ago. Dropped 1 time broke screen. And service sucks. Replacement is same.. and it still sucks for service
Originally posted on lg.com

No, I do not recommend this product

Quality

 
5 Stars

you lock your apps so google and others cant enter

dont care to mentio 8/21/2020

cant go wrong with LGE and metro plan i havent ran into any problems in the past LG/METRO PCS any other plan dont work. I think i have a slight mishap wih LG i was sent a message but it got deleted befor i could understand it. If you lg read this please contact me.
Originally posted on lg.com

Yes, I recommend this product

Quality

 
2 Stars

I WANT TO BREAK IT IN HALF

prodriver77 8/21/2020

Terrible Design..The listening hole is on the top edge of the phone so everyone around me can hear my phone conversations. Apps freeze up constantly and I have to restart the phone 3 times a week or more. Battery life is good. Texting options are terrible.
Originally posted on lg.com

No, I do not recommend this product

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1 Stars

THE WORST PHONE EVER....

JennDMdo 8/17/2020

I bought this device 3 months ago. Had problems from the 2nd day on. Contacted boost and all they did was reset the phone. That didnt do a thing. Boost said LG needs to send a new phone because its defective. I sat on hold for an LG support provider for 45 minutes the first time i called and many times after. I gave up. The phone powers off when i am talking to someone. The screen always goes black when i am using it. Calls dont connect properly. Static all the time.
Originally posted on lg.com

No, I do not recommend this product

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1 Stars

TERRIBLE

JesicaP99 8/15/2020

If I could give this phone negative stars I would My husband got this phone with a new plan at boost. With in 2 days the screen was cracked. His fault no case. Get another one buy the recommend case and screen protector 1 week later same thing cracked screen this time it only dropped from the couch onto the carpet. Go through insurance mind u u only can get 2 replacement phones within a period of time so he was now one his last replacement. 1 month later and guess what same thing. This time her just had it in his pocket and pulled it out to a spiderweb screen. Now he has no phone and cannot make a claim. Boost says he can go buy a phone of course full cost or find someone that may be selling one. Ugh I have an LG V20 that is over 3yrs old I have dropped it a millions times my toddler has thrown it and never have I had an issue. Very disappointed in the poor manufacturing of this phone and WILL not be upgrading to any LG in the future. LG has lost our business for good
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Speaker issues

Sam1980 8/15/2020

Every time I have a phone call I can hear them but they cannot hear me and on top when I put my phone on charger it charges slow.
Originally posted on lg.com

No, I do not recommend this product

Features

 

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1 Stars

Terrible Option

Eduardo Gonzalez 8/10/2020

I bought this like a month ago due to COVID 19 there were no other options either in Best Buy or T-Mobile It was this or a Motorola Everything works more or less according to the price but all the pairing options via Bluetooth or Wifi are absolutely unstable it connects and disconnects all time and I mean every single minute Hopefully theres an upgrade or something to do.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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3 Stars

I have to give this a three-star rating. Reason:

TPipe07 8/3/2020

Its got everything you need to know phone its big gifts turrible Academy three of them actually and then you get into it and Im going to empty Brian
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Quality

 
2 Stars

Cdma phone

Stompin68 7/31/2020

Phone cannot connect to google maps location sharing does not connect to internet when not connected by wifi. In ad there is no mention of the network the phone is made for. and that is Cdma and that is outdated. This phone is most likely surplus and being sold to make room for 5g with no mention of yesterdays technology.
Originally posted on lg.com

No, I do not recommend this product

Quality

 
2 Stars

I have a question

Zacharyhhhh 7/29/2020

So i bought a USB-C to HDMI Video/Audio adapter hoping it would cast onto my tv so i can watch netflix or youtube and when i plug it in all it does is ask if i want to use it for charging file transfer and MIDI. Im wondering if this phone even supports video adapters if anyone could answer me back on this i would be truly greatful
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Quality

 
1 Stars

Disappointed

Myra1328 7/27/2020

I was told this phone was replacing the Stylo phone. Not even close None of my games can be transferred to my SD card runs slow and even though I have the LED turned off it still flashes every time I receive a text or a game notification. Need a new phone
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Not sure

Noidea 7/17/2020

Purchased using a 800 number. Straight out of the box volume on the speaker is very low - volume control was all the way up. Even others are complaining about how I sound. I have excellent signal while using it. But trying to do a backup is impossible. The buttons to backup are gray shaded. Like that option has been turned off. It just sits there trying to do something waiting.
Originally posted on lg.com

No, I do not recommend this product

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Value

 
3 Stars

Average price average phone.

BoostedK 7/12/2020

Just bought this phone and its works ok so far Definitely not a flagship phone or anything special as i knew this when i was purchasing it. Just wanted something temporary until i can get the phone i am waiting for. Camera quality is definitely something that needs some improvement processor is nothing special as well. If you are looking to use multiple apps with speed this isnt the one. If you are needing a phone to simply use as a phone or have as a social media device this is passable but dont be alarmed if someone calls you out for the quality of those posted photos.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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3 Stars

Good for the cost but...

That K 7/11/2020

This phone is fine does all the basics and does them well. No complaints on phone aspect. However I purchased this phone based off reviews on the camera. Ive had better quality and features on phone cameras a solid decade ago The pictures are not sharp and there are about 4 modes. Photo video and portrait. No night mode not even panoramic.
Originally posted on lg.com

No, I do not recommend this product

Features

 

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5 Stars

Rough work

Inure64102 7/8/2020

I work in a rough field of work iv droped the phone out of trees off power poles its been hit with a hammer slung in my tool bag and then rode in my truck in that bag for the day my raycons stay connected all day has a grate sound though the speakers i havent cracked the sceen or the back glass at all im amazed at this phone and i love it its a grate buy
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

Worse phone ever

Bcam90 7/8/2020

I bought this phone a month ago and the same say it was horrible no one can understand me they say its always breaking up when we talk text messages dont send i take it back to boost they update still same problem i get replaced through insurance still same time now me an my kids we on family plan phones have had a full battery and phone has just shut off an wouldnt come back on forever worse phone ever haven got to enjoy it since day i bought it
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Speaker sounds with static

Donna Feduccia 7/3/2020

I played peoples voice recordings and videos at a low volume medium or high and it sounds ok for a few seconds then it is static cutting every other word on the words
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Bluetooth doesnt work well

grumpyguts 7/3/2020

Ive had this phone for a couple of weeks and cannot use the bluetooth connection for hands free driving. My voice and the voices of the people Im talking to start to break up in waves whether the car is moving or standing still. I did check to see if it was the bluetooth connection in the car but my friends phone worked fine moving and standing still.
Originally posted on lg.com

No, I do not recommend this product

Features

 

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Value

 
3 Stars

Dont look for extra features you may be used to

Lynn Jones Brown 6/24/2020

In a pinch got this phone free. It is ok for the basics but if you are looking for features you may have been used to in your old phone you wont find them here or at least i havent. Cant use as a remote. No hands free car mode where phone gives you a choice to call or text back and allows you to speak your reply..phone does announce caller or texter and reads message but no choice to replycannot add photos to your contactsi am sure i will come across more. No wonderthere is so much emphasis on the cameras. Adequate phoneprice was right in an emergencybut very basic. Also will not accept my personal email address in addition to the gmail one. I could have had the Moto 7 which i understand from users is a more full featured phone. I chose the LG K51 because it was brand new. I expected to get more or at least the same features as my old phone. Unless they are well hidden I just do not see them. On a positive note the sound is very good when listening to music.
Originally posted on lg.com

No, I do not recommend this product

Quality

 
3 Stars

Mostly a great phone

Rfe629 6/21/2020

Does most things well but the camera UI is lackluster. The camera cannot do panoramic photos. Phone is very heavy.
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

Charge cord does not stay in always slow charge

bigbaddog 6/18/2020

Not even month old charge cord does not stay in never has since day one Im lucky to have a charged phone when I need it always says slow charge use original cable which is used
Originally posted on lg.com

No, I do not recommend this product

Quality

 
1 Stars

Horrible phone

Nichole197 6/14/2020

Was due for an upgrade and at the store they pushed this phone on me. It sounded great at the time but this phone is horrible. I have gone through 2 in less than a month The 1st locked me out of the phone completely and would not turn back on This one the screen keeps freezing and when i am on calls and the google assistant is talking it makes a some weird robot voice. I would not recommend this phone to anyone. Worst phone ive had.
Originally posted on lg.com

No, I do not recommend this product

Features

 

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Value

 
5 Stars

Great All Around Phone

GMoney24 6/14/2020

Im an IT guy so its hard to impress me with a cheap phone but this phone has done it The cameras are great and with 3 of them it can take any kind of photo perfect. Its fast Good RAM and processor keeps your phone doing whatever you want as soon as you want it to. For the price and really even for a lot more you cant get a better phone. I bought one for my wife and myself
Originally posted on lg.com

Yes, I recommend this product

Quality

 
2 Stars

False advertising

Honest review Jay 6/7/2020

False advertising cameras are really bad on this phone pictures come out blurry and grainy video recording is blurry autofocus struggles only thing promised phone is screen size but even then screen is not bright at all my LG Stylo 3 camera is way better than this lgk51 phone would not recommend false advertising 3 camera gimmick.
Originally posted on lg.com

No, I do not recommend this product

Quality

 
3 Stars

Cant change emoji genders

Jmc87 6/6/2020

Phone is great however all of the emojis are female. Is LG just for women? What about other genders? Seems like they could do a simple update to correct this issue
Originally posted on lg.com

No, I do not recommend this product

Quality

 
5 Stars

BEST PHONE LOVE THE CAMERAS

Paul Hebert 6/3/2020

I got it a month ago I love the phone 3 speakers and 4 cameras the pictures are great love all the features on it
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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4 Stars

Great graphics large screen

TheScorp 5/24/2020

I have gone through many phones in this past. This phone I ordered from Boost Mobile at a discount price is a great phone for me. Love the battery life. Its only been 3weeks but I truly like this phone
Originally posted on lg.com

Yes, I recommend this product

Quality

 
4 Stars

Overall Great Device

BoostVIP2012 5/20/2020

The phone is great the structure is sleek the camera is amazing. The display as always is miraculous. The touch and response time is adjustable along with many other features. The only thing that it is missing is the NFC feature. That would make it all complete.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Quality

 
2 Stars

Cant hear in conversation

ncfrenchgirl 5/20/2020

Cant hear the person on the other end unless on speaker. And if I hold the phone to my ear tov talk they cant hear me either. I have to hold it away. Im very disappointed.
Originally posted on lg.com

No, I do not recommend this product

Quality

 
5 Stars

It feels like a great phone .really heavy.

Anlgei 5/18/2020

Just got it.for the price. Its Worth it Must have case tho if it hits the ground hard. Its toast lol. The psi is good too
Originally posted on lg.com

Yes, I recommend this product

Quality

 
1 Stars

Worst phone ever

Ernie 12321 5/16/2020

I switched carriers and got this phone 3 weeks ago and it is by far the worst phone i have ever owned. It drops calls when people call me it rings once and goes to VM and people have a hard time hearing me on the phone also barely keeps service.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Quality

 
5 Stars

ANOTHER ABSOLUTELY SPLENDID LG DEVICE

ATLANTICELP1970 5/12/2020

Just Ordered The Absolutely Splendid New LG K51 On Sunday Afternoon...Apart From The Quite Disappointing MediaTek Processor~Instead Of The Rather More Preferred Qualcomm Snapdragon Processor~Its A Marvelous Phone...I Love That LG Evolved To A Larger/Massive 6.5 Inch Display And 4000mAh Battery...I Discovered A Novelty Surprise~It Has A Classic Feature: A IR Blaster...And Of Of Course Alot Of The Standard LG Features I Liked For Many Years...
Originally posted on lg.com

Yes, I recommend this product

Quality

 
5 Stars

Amazing phone

Atucker718 5/11/2020

I bought this phone friday and havent charged it yet
Originally posted on lg.com

Yes, I recommend this product

Quality