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Karbonn

Karbonn K9 Smart Eco (2017)

Android OS v7.0 (Nougat)
Mediatek MT6580
Mali-400 MP1
1 GB / 8 GB
5 inch (480 x 854 px)
2 MP, 1600 x 1200 px

The manufacturer offers this phone with a 5 inch IPS display, a Mediatek MT6580 SoC, and 1 GB of RAM.

Explore its advantages and disadvantages!

Table of Contents

This article shares our personal experiences and thoughts about using the Karbonn K9 Smart Eco smartphone. We hope to offer helpful insights to others interested in this device.

Karbonn K9 Smart Eco / 1

Karbonn K9 Smart Eco specifications

BrandKarbonn
NameK9 Smart Eco
ModelK9SE
Release date2017

Weight, dimensions, colors

Weight5.5 oz
Dimensions5.71 x 2.83 x 0.43 inch
Colorsblack, coffee, gold, white
SIM typeMicro SIM

The weight of Karbonn K9 Smart Eco is about 5.5 oz with battery. This is average for smartphones of the same size. A micro SIM is a smaller version of the standard SIM card used in mobile devices.

Karbonn K9 Smart Eco / 1

System, chipset, performance

OS versionAndroid OS v7.0 (Nougat)
SoCMediatek MT6580
CPUQuad-core 1.3 GHz Cortex-A7
GPUMali-400 MP1

The Karbonn K9 Smart Eco comes with Android OS v7.0 (Nougat) out of the box. Android is a mobile operating system. Google built it using a modified version of the Linux kernel. They also used other open-source software. The mid-range CPU can deliver fast, efficient performance for many tasks. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency.

Karbonn K9 Smart Eco / 2

Display type, size, resolution

Display typeIPS
Screen size5 inch
Resolution480 x 854 px
Multitouch supportyes

The 5 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. The 5 inch display make this smartphone pocket-friendly. The size of the screen is measured diagonally, from corner to corner.

Karbonn K9 Smart Eco / 3

Memory, storage

RAM1 GB
Internal storage8 GB
Memory card slotmicroSD

1 GB of RAM is not typically considered to be enough for a smartphone. More RAM lets us keep more apps and processes open in the background. This keeps the device from slowing down. Most people think a smartphone needs at least 32 GB of storage. The K9 Smart Eco has only 8 GB. We can expand the internal storage (8 GB) with a compatible microSD card.

Cameras, flash

Main camera2 MP, 1600 x 1200 px
FlashLED
Selfie camera2 MP

This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The main camera of K9 Smart Eco smartphone does not have OIS. The optical image stabilization (OIS) is an important feature in smartphones.

Connectivity, network, wireless

GSM 2G bands900 / 1800
Network coverage2G / 3G
Wi-FiWi-Fi 802.11 b/g/n
Bluetoothv4.0, A2DP
GPSA-GPS
NFCno
FM radiono
USBmicroUSB 2.0
Headphone3.5 mm jack

The 3G is obsolete now, because most phones can use 4G and 5G networks. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The K9 Smart Eco smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. 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 us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Ion 2300 mAh

The Li-Ion 2300 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. We can simply buy a new battery from the open market and interchange it by ourselves.

Features, sensors, specials

Sensorsaccelerometer, proximity
SpecialsDual SIM

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. Dual SIM is great for businesses. They want to give staff a device with separate numbers and bills for personal and business use.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Karbonn 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
  • Dual SIM support

Cons

  • limited-size screen
  • insufficient memory
  • insufficient internal storage
  • single camera setup
  • no OIS function
  • lack of autofocus
  • no 4G support
  • no 5G support
  • no NFC feature
  • no Type-C USB port
  • low-capacity battery
  • no digital compass
  • no fingerprint reader
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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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