UDI RC U839 Nano Quadcopter Review – A Miniature Drone!

UDI U839 Nano Quadcopter Review

Product Description

Brand Name: UDI RCUDI U839 Drone Review

Model: U839

Frequency: 2GHz

Channel: 4CH

Gyro: 6-axis

Flying Time: 5 to 7 minutes

Flying Distance: Over 30 meters

Where To Buy: Amazon.com


The UDI RC U839 is a nano-miniature drone that has gained a lot of popularity this year. It has LED lighting making flying this in the dark a breeze. And while it may look simple on the outside, the UDI U839 has three different flying levels. So whether you’re a beginner, novice, or expert drone flyer, the UDI U839 is an attractive option for many.

The UDI U839 can furthermore be characterize as stable, fast, and for the most part, durable. It even comes with spare parts including 4 extra blades and a prop remover tool. Moreover, despite not having a camera, the UDI U839 is very affordable and has turned out to be a lot of fun for both adolescents and adults alike.

Dimensions & Specifications

The UDI U839 drone is very small. In-fact it’s UDI U839 Drone Reviewso small it is characterized as a nano-miniature. Despite its size however, the UDI U839 has a powerful motor, and is one of the faster flying drones out on the market.

More specifically, this quadcopter is 3.5 x 3.5 inches long and weighs only 4.8 ounces – that is less than half a pound!

As a result, the UDI U839 is easily maintainable and can be carried with you anywhere. While some have said that their drone’s motor had died, and that sometimes a propellor would not work, the majority of customers have said it is one of the best miniature drones they’ve flown, making this one of the best sellers on Amazon.

>> Read The Reviews On Amazon.com <<

Flight, Controls, & Durability

One of the best features with the UDI U839 drone is the fact it can fly so fast because ofUDI U839 Drone Review how small it is. It can perform flips in all direction and is capable of doing 360 degree rolls by a simple push of the button.

One of the reasons I love the UDI U839 drone is because of its controls. While most seem to be a bit more complex, this drone features a high-speed mode solely for outdoor racing. Despite missing some features more expensive drones include (camera, auto stabilization, GPS, etc.), the UDI U839 is great to have for some simple fun.

Last but not least, some users have given the UDI U839 a one star rating not because of its lack of performance, but because they ran into some problems like the propellor or motor stopped working. Although it is not a rare occurrence, it still makes the UDI U839 feel a bit less reliable. At the same time, it is likely these users could have just as easily crashed the drone into a tree. This would make the UDI U839 a bit less reliable and durable than other drones on the market.


  • Capable of both indoor and outdoor flying.
  • Easily maintainable.
  • Includes spare parts.
  • Able to do a wide variety of flips and tricks.
  • Controls are simple and includes various expertise modes.
  • Very reasonable price.


  • Less durable than other drones – complaints of motor and blades that stopped working.
  • Lacks features more expensive drones include.
  • Small nano-miniature size may be less preferable to some.
  • No camera.

UDI U839 Overview

For some, the UDI U839 can really be a hit or miss. But for those looking for a small miniature quadcopter the UDI U839 still happens to be great and enjoyed by most. The only complaints really are by some who found that the quadcopter wasn’t working. It seems this could have been a faulty product or that they crashed too hard while flying. Another recommendation is to make sure you let the quadcopter cool before taking it out on back to back flights. So that could have been another issue.

For the most part, the UDI U839 is a reliable drone altogether. One of its best features and aspects is its fast flying mode, allowing you to race others like a friend or family member, making it a very enjoyable experience. Despite the lack of a camera, the UDI U839 was made for pure, simple fun, and is most appropriate for children, and beginners especially because of its simple controls. Even if you do become an expert, the UDI U839 will be a drone you’ll want to likely keep in your quadcopter collection!

Have you had an experience with the UDI U839 drone? Please leave your comments and ratings below for others to see! 

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