alaTest has collected and analyzed 2 user reviews of LG Viper 4G LTE LS840 from Amazon.com. 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 Amazon.com. People are impressed by the screen and design. The portability and price are also appreciated. Many are critical about the reliability and usability. There are some mixed reviews about the battery.

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

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...

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...

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.

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.

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...

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...

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.

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...

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