Karbonn Alfa 18

  • Karbonn
  • Last Updated: 18th January 2026
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Key Specs
  • Display 4.00-inch (480x800)
  • Processor 1.2GHz quad-core
  • Front Camera 0.3MP
  • Rear Camera 2MP
  • RAM 512MB
  • Storage 4GB
  • Battery Capacity 1400mAh
  • OS Android 7.0
Market Status Released

Karbonn Alfa 18 Summary

Karbonn Alfa 18 The phone comes with a 4.00-inch touchscreen display offering a resolution of 480x800 pixels. Karbonn Alfa 18 is powered by a 1.2GHz quad-core processor. It comes with 512MB of RAM. The Karbonn Alfa 18 runs Android 7.0 and is powered by a 1400mAh non-removable battery.

As far as the cameras are concerned, the Karbonn Alfa 18 on the rear packs 2-megapixel camera. It sports a 0.3-megapixel camera on the front for selfies.

Karbonn Alfa 18 is based on Android 7.0 and packs 4GB of inbuilt storage that can be expanded via microSD card (up to 32GB). The Karbonn Alfa 18 is a dual-SIM (GSM and GSM) mobile that accepts Micro-SIM and Micro-SIM cards. The Karbonn Alfa 18 measures 124.50 x 64.50 x 10.60mm (height x width x thickness) and weighs 112.00 grams. It was launched in Champagne, Grey - Gun Metal, and Black - Champagne colours.

Connectivity options on the Karbonn Alfa 18 include Wi-Fi 802.11 b/g/n, GPS, USB OTG, FM radio, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer and proximity sensor.

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Karbonn Alfa 18 Full Specifications

General
Brand Karbonn
Model Alfa 18
Form factor Touchscreen
Dimensions (mm) 124.50 x 64.50 x 10.60
Weight (g) 112.00
Battery capacity (mAh) 1400
Removable battery No
Colours Champagne, Grey - Gun Metal, Black - Champagne
Display
Screen size (inches) 4.00
Touchscreen Yes
Resolution 480x800 pixels
Hardware
Processor 1.2GHz quad-core
RAM 512MB
Internal storage 4GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 32
Camera
Rear camera 2-megapixel
Rear flash Yes
Front camera 0.3-megapixel
Software
Operating system Android 7.0
Connectivity
Wi-Fi Yes
Wi-Fi standards supported 802.11 b/g/n
GPS Yes
Bluetooth Yes
NFC No
Infrared No
USB OTG Yes
Headphones 3.5mm
FM Yes
Number of SIMs 2
Wi-Fi Direct No
Mobile High-Definition Link (MHL) No
SIM 1
SIM Type Micro-SIM
GSM/CDMA GSM
3G Yes
4G/ LTE Yes
Supports 4G in India (Band 40) Yes
SIM 2
SIM Type Micro-SIM
GSM/CDMA GSM
3G Yes
4G/ LTE Yes
Supports 4G in India (Band 40) Yes
Sensors
Compass/ Magnetometer No
Proximity sensor Yes
Accelerometer Yes
Ambient light sensor No
Gyroscope No
Barometer No
Temperature sensor No
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