Lenovo

Lenovo K9: Pros and Cons

Android OS v8.1 (Oreo)
Mediatek Helio P22 MT6762
PowerVR GE8320
3 GB / 32 GB
5.7 inch (720 x 1440 px)
13 + 5 MP, 4160 x 3120 px, autofocus

Lenovo announced the launch of the K9 smartphone in 2018. The manufacturer is offering this smartphone with 5.7 inch IPS display, Mediatek Helio P22 MT6762 SoC, and 3 GB of RAM. The K9 comes with Android OS v8.1 (Oreo) pre-installed. This phone has an IPS display, it provides wide viewing angles. This means the screen stays clear and consistent. The multi-camera setup has specialized features. It has multiple cameras with different focal lengths, like wide-angle, standard, telephoto, and macro. Let's see what makes this device stand out.

Table of Contents

This article shares our personal experiences and thoughts about using the Lenovo K9 smartphone. We hope to offer helpful insights to others interested in this device. The specifications below are from the official manufacturer data, but we also consider user reviews. If you've seen any mistakes or things missing in these specifications, please let us know.

Lenovo K9 / 1

Lenovo K9 specifications

BrandLenovo
NameK9
ModelK9
Release date2018

Weight, dimensions, colors

Weight5.47 oz
Dimensions6.06 x 2.87 x 0.31 inch
Colorsblack, blue
SIM typeNano SIM

The weight of the Lenovo K9 is still considered to be lightweight and portable. Smartphones use a Nano SIM as a subscriber identity module (SIM), which is a chip card.

Lenovo K9 / 1

System, chipset, performance

OS versionAndroid OS v8.1 (Oreo)
SoCMediatek Helio P22 MT6762
CPUOcta-core, Quad-core 2 GHz Cortex-A53, Quad-core 1.5 GHz Cortex-A53
GPUPowerVR GE8320

The Lenovo K9 comes with Android OS v8.1 (Oreo) out of the box. Android is an open-source operating system. This means users and developers have more control over the software. This octa-core CPU consists: Octa-core, Quad-core 2 GHz Cortex-A53, Quad-core 1.5 GHz Cortex-A53. Many consider PowerVR GPUs to highly compete with other leading mobile GPUs.

Lenovo K9 / 2

Display type, size, resolution

Display typeIPS
Screen size5.7 inch
Resolution720 x 1440 px
Multitouch supportyes

People know IPS for its wide viewing angles. It also has accurate color reproduction. The 5.7 inch display make this smartphone pocket-friendly. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Lenovo K9 / 3

Memory, storage

RAM3 GB
Internal storage32 GB
Memory card slotmicroSD

The smartphone has 3 GB of RAM. It can run many apps at once without much lag or slowness. More RAM lets you keep more apps and processes open in the background. This keeps the device from slowing down. Generally, a smartphone should have a minimum of 32 GB of internal storage. The K9 has 32 GB. You can expand the internal storage of the K9 (32 GB) by using a compatible microSD card.

Lenovo K9 / 4

Cameras, flash

Main camera13 + 5 MP, 4160 x 3120 px, autofocus
FlashDual LED
Selfie camera13 + 5 MP

Using multiple cameras has advantages. They provide more versatility and creative possibilities. They let you capture a wider range of subjects. The main camera of K9 smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

Lenovo K9 / 5

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1800 / 1900
Network coverage2G / 3G / 4G
Wi-FiWi-Fi 802.11 b/g/n/ac
Bluetoothv4.1, A2DP
GPSA-GPS, GLONASS
NFCno
FM radioyes
USBUSB Type-C
Headphone3.5 mm jack

The 4G provides faster data transfer speeds compared to previous generations. The K9 supports the latest Wi-Fi standards. You can use Bluetooth to connect your K9 smartphone to many Bluetooth devices. The K9 has a GPS receiver. Many fitness and activity tracking apps rely on GPS. It is used to accurately measure and record outdoor activities. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows you to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Po 3000 mAh, non-removable

The Li-Po 3000 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a light-weight, rechargeable battery. The K9 does not have a removable battery, it integrates the battery into the phone's design.

Features, sensors, specials

Sensorsaccelerometer, compass, fingerprint, gyroscope, light, proximity
SpecialsDual SIM, Fast charging

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer is a sensor. It measures the tilting motion and orientation of the phone. The fingerprint reader is a biometric security feature found in K9 smartphones. The light sensor is a type of sensor in a smartphone. It lets the phone measure light intensity around the device. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use. With fast charging, you can get a significant amount of battery life in a few minutes of charging.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Lenovo phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • microSD slot
  • multicamera setup
  • dual selfie camera
  • Dual SIM support

Cons

  • no OIS function
  • no 5G support
  • no NFC feature
  • low-capacity battery
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Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
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