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LG Viper 4G LTE LS840

alaTest has collected and analyzed 41 reviews of LG Viper 4G LTE LS840. The average rating for this product is 2.9/5, compared to an average rating of 4.1/5 for other Cell phones for all reviews. Opinions about the screen and design are generally positive. The portability and price are also appreciated. Many are critical about the reliability and battery. Opinions about the performance and usability are different.

price, portability, design, screen

battery, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Cell phones the LG Viper 4G LTE LS840 is awarded an overall alaScore™ of 78/100 = Good quality.

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Review analysis

(Based on 41 reviews)

User Reviews  

Showing 21 review(s)

Expert Reviews User Reviews


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Showing 1 - 12 of 21 Show Reviews: in English

Consumer review ( review summary for LG Viper 4G LTE LS840


alaTest has collected and analyzed 2 user reviews of LG Viper 4G LTE LS840 from The average user rating for this product is 5.0/5, compared to an average user rating of 3.8/5 for other Cell phones on People are impressed by the screen and design. The portability and price are also mentioned favorably. There are some negative reviews about the reliability and usability, and opinions are divided on the battery.

price, portability, design, screen

performance, usability, reliability

100% of the reviews on give this product a positive rating.

This summary is based on the products: Sprint LG (LG LS 840) Viper 4G Android LTE Phone *NO CONTRACT*Sprint LG (LG LS 840) Viper 4G Android LTE Phone *NO CONTRACT*

Mar, 2018

Consumer review (

can't stand it


buying this phone was a huge mistake. it always crashes, overheats, apps most of the time don't work, shuts down on its own, and has poor battery life. i go through battery without heavy usage in 50 minutes. REALLY!? buying a g3 next time

Style/Design, easy to use

Oct, 2014

Consumer review (

This Phone is horrible


I have had my LG Viper less than two months, within the first I had to have Sprint order me another one because because it was extremely defective, overheated and wouldnt hold charge. I use my phone on a daily basis for my job..I have to have access to...

no best features

Jul, 2014

Consumer review (

One Major "deal-breaker" Problem


The battery is close to worthless. It must be charged multiple times daily and I don't use the phone more than once or twice a day. I do not use the data so that's not the problem. I text, perhaps, twice a day. I ordered another battery and it is also...


May, 2014

Consumer review (

I have never been more disappointed.


Upon receiving the LG Viper, I was greeted with an average-looking smart phone. It seemed to have all the bells and whistles that one would expect. I was dead wrong.


May, 2014

Consumer review (



It may seem nice, but It constantly Freezes. Sometimes the Phone Update un-wanted things. And the Browser it REALLY slow. It Also Dies Quick. LG's are really not a good product anymore. Cant wait to get my Galaxy.

Performance, Features/Settings, Quality

Apr, 2014

Consumer review (

Decent phone, Android customizations mixed bag


This was my first smartphone, and I was mostly happy with it. It was cheap enough (with the Sprint plan) and could browse the 'net and run apps. Memory was a bit tight for some apps, but this was rarely a problem. For the price, the hardware was a...

easy to use

Apr, 2014

Consumer review (



you get the phone thinking its nice because the front camera and the features they tell you about but it really isnt all that. this phone is for an adult that only really texts and talk and may play games and have a few social network apps. if you use...

Dec, 2013

Consumer review (

Great features and ease of use


This product has great features, is easy to use and very reliable. My wife and I have the same model of phones and we get great pleasure out of them. Because of the dependability and ease of use we have bought other LG products.

Performance, easy to use, Features/Settings, Quality

Nov, 2013

Consumer review (

The worst of the worst


This phone is the reason you must do your research before purchasing a product. Every problem on every review I had with this phone. It is definitely not the phone that you want to get stuck in a contract. And the sad thing is it has one best displays...


Nov, 2013

Consumer review (

Great Phone


My wife and I both have the LG Viper phones. They are easy to use and reliable. We have had LG phones before (Olympus) and loved them. When it was time to upgrade we chose the Vipers, and glad we did

Performance, Style/Design, easy to use, Features/Settings, Quality

Oct, 2013
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