The smartphone comes with a TheaterMax, which is a new feature added for converting multimedia content in virtual reality. This feature allows users to experience a theater-like visuals while playing games or watching video. The Best:


Fingerprint Scanner

Every flagship smartphone these days are equipped with fingerprint scanner, and the K4 Note also has a fingerprint reader on the back of the device. The Best:

3GB of RAM

The Lenovo K4 Note is packed with 3GB of RAM, which its successor K3 Note had only 2GB of RAM. The inclusion of 3GB RAM makes the device to be faster and multitasking. The Best:

NFC

The Near Field Communication (NFC) is mostly found in higher priced smartphone. But, Lenovo offers the NFC in the K4 Note with a comparatively lesser price. The Best:

Dual Front Speakers

The Lenovo K4 Note sports a two front-facing speakers, which enhances the audio quality of the device. The Worst:

Software

The smartphone runs on the Android 5.1 Lollipop operating system, the company has missed the latest Android Marshmallow OS in to. Well, we expect that the Lenovo to roll out the OS update sooner. The Worst:

Heating Issues

The smartphone can generate heat during playing games and multitasking. The heating is not so major but the users will feel warm during a normal usage on the back abn more heat while browsing on 3G network. The Worst:

Unnecessary Apps

The smartphone is bundled with pre-installed apps. The unnecessary apps is one of the main issues and these apps run on the background and consumes storage as well as reduce performance of the device. The Worst:

No Fast Charging

One of the key features, which is missing in the K4 Note is the ability of fast charging. Almost all flagship smartphones out in the market comes with a fast charging feature. The Worst:

Lack Of Sensors

It does not have an infrared sensor and gyroscope which is a drawbacks.