Karbonn

Karbonn Alfa A91 Champ: Pros and Cons

Android OS v6.0 (Marshmallow)
Mediatek MT6582
Mali-450 MP2
512 MB / 4 GB
4 inch (480 x 800 px)
2 MP, 1600 x 1200 px, autofocus

Karbonn announced the launch of the Alfa A91 Champ smartphone in 2017. The manufacturer is offering this smartphone with 4 inch TFT display, Mediatek MT6582 SoC, and 512 MB of RAM. The Alfa A91 Champ comes with Android OS v6.0 (Marshmallow) pre-installed. This phone uses a 4 inch TFT display. This phone has only one rear-camera (2 MP, 1600 x 1200 px, autofocus) on its back for photos and videos. Let's see what makes this device stand out.

Table of Contents

This article shares our personal experiences and thoughts about using the Karbonn Alfa A91 Champ 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.

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Karbonn Alfa A91 Champ specifications

BrandKarbonn
NameAlfa A91 Champ
ModelA91
Release date2017

Weight, dimensions, colors

Weight3.95 oz
Dimensions5 x 2.54 x 0.42 inch
Colorsblack, champagne, coffee
SIM typeMicro SIM

The weight of the Karbonn Alfa A91 Champ is still considered to be lightweight and portable. A micro SIM is larger than the current standard Nano SIM card but smaller than the older SIM card size.

System, chipset, performance

OS versionAndroid OS v6.0 (Marshmallow)
SoCMediatek MT6582
CPUQuad-core 1.2 GHz Cortex-A7
GPUMali-450 MP2

The Karbonn Alfa A91 Champ comes with Android OS v6.0 (Marshmallow) out of the box. Android is an open-source operating system. This means the source code is free to the public. The quad-core mobile CPU can provide fast and efficient performance for mobile games. Many people consider ARM Mali GPUs a good option for mobile devices.

Karbonn Alfa A91 Champ / 1

Display type, size, resolution

Display typeTFT
Screen size4 inch
Resolution480 x 800 px
Multitouch supportyes

This 4 inch smartphone comes with a TFT display. Smaller smartphones are generally more compact and easier to handle. The display size is the diagonal distance from one corner of the screen to the opposite corner.

Memory, storage

RAM512 MB
Internal storage4 GB
Memory card slotmicroSD

512 MB of RAM is not typically considered to be enough for a smartphone. Having more RAM alone does not guarantee better performance. If you use your smartphone for basic tasks like calling, texting, and browsing the web, 32GB may be sufficient for your needs. You can expand the internal storage of the Alfa A91 Champ (4 GB) by using a compatible microSD card.

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Cameras, flash

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

You may have budget limits. Or, you may prioritize other features over a multi-camera system. If so, this single camera setup can be a good choice. The Alfa A91 Champ does not have optical image stabilization (OIS).

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 radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

Compared to modern 4G and 5G networks, 3G networks are much slower. The Alfa A91 Champ supports the latest Wi-Fi standards. You can use Bluetooth to connect your Alfa A91 Champ smartphone to many Bluetooth devices. The Alfa A91 Champ 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-Ion 1400 mAh

The Li-Ion 1400 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. You can simply buy a new battery from the open market and interchange it by yourself.

Features, sensors, specials

Sensorsaccelerometer, light, proximity
SpecialsDual SIM

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). 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.

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

  • TFT display
  • limited-size screen
  • insufficient memory
  • insufficient internal storage
  • single camera setup
  • no OIS function
  • 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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