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Airtel launches Karbonn A40 Indian Smartphone with 4G VoLTE

Airtel, a telecommunications company in India has launched the Karbonn A40 Indian, a smartphone in partnership with Karbonn Mobiles. The A40 Indian is the first in a new series of budget 4G smartphones from the telecoms giant, and it was launched in response to Jio Reliance’s JioPhone feature phone.


The A40 is part of Airtel’s Mera Pela 4G Smartphone program which sees the telecoms operator partnering with different mobile phone manufacturers in the country to create and distribute 4G-enabled smartphones with price tags as low as those on feature phones.

Karbonn A40 Indian Review


The Karbonn A40 Indian runs on version 7.0 of the Android operating system with the name Nougat out of the box. This is quite impressive considering that this is a budget device, as users get access to the latest software features without having to drill a hole in their bank accounts. The smartphone also supports 22 Indian languages.

Design & Display

The A40 comes compact with a 4-inch display which has a 800 * 480 (WVGA) pixel resolution. As you would expect, its bezels are very large and it uses capacitive navigation buttons.

The back of the phone is made with aluminium alloy and has antenna lines running through its back on the top and bottom. The front camera and proximity sensor are positioned side-by-side on the top bezel at the front.

Memory & Performance

The A40 Indian is powered by a 1.3GHz Quad-core processor and has 1GB of RAM for multi-tasking. It also comes with 8GB of default internal memory which can be expanded up to 32GB using an external microSD card.


A 5MP camera is present at the rear of the phone with a LED flash for lighting, and a 0.3MP camera aids with selfie photography at the front.

Battery & Connectivity

The Karbonn A40 Indian packs a 1400mAh battery that can last for up to 8 hours on average use, and is compatible with FM Radio. It comes with dual micro-SIM slots and supports 4G networks with Voice-over-LTE (LTE).

Karbonn A40 Indian Full Specifications

Airtel Karbonn A40 Indian colours


  • 2G: GSM 850 / 900 / 1800 / 1900 MHz.
  • 3G: HSDPA 850 / 900 / 1900 / 2100 MHz.
  • 4G: LTE with VoLTE.
  • Network Speed: HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps.
  • SIM Type: Micro-SIM, dual standby.
  • SIM Count: Dual SIM
  • OS: Android 7.0 (Nougat).
  • User Interface: n/a

Design & Display

  • Dimensions: –
  • Weight: –
  • Display size: 4 inches.
  • Display Resolution: 800 × 480 pixels (WVGA).
  • Pixel resolution: n/a
  • Display Technology: IPS Capacitive touchscreen.
  • Form Factor: Touchscreen Bar.
  • Build: Plastic with aluminium metal back.
  • Protection: None.
  • Colours: Blue, Coffee Brown, Black, Champagne and Red.


  • Processor Name/Technology: n/a.
  • Processor Speed: 1.3GHz.
  • Number of Processor Cores: Quad-core.
  • Graphics Processor: n/a
  • RAM: 1GB.
  • Internal Storage: 8GB.
  • External Storage: expandable up to 32GB with microSD.
  • Sensors: Accelerometer, Light, Proximity.



    • Lens: 5MP.
    • LED Flash: Yes.
    • Video recording: Yes.
    • Properties: n/a.


  • Lens: 0.3MP (VGA).
  • LED Flash: No.
  • Video recording: –
  • Properties: –


  • Music Support: AAC, AMR, MP2, MP3, M4A, MKA.
  • Loudspeaker: Yes.
  • Audio Technology: –
  • Video Support: MP4/MPEG4/H.263/H.264 player.
  • FM Radio: Yes.


  • Bluetooth: n/a.
  • Bluetooth Profiles: n/a.
  • WiFi: Wi-Fi 802.11 b/g/n, hotspot.
  • GPS: Yes.
  • USB: v2.0.
  • USB OTG: Yes.
  • NFC: No.
  • 3.5mm audio jack: Yes.


  • Battery Capacity: 1400mAh.
  • Battery Technology: Li-ion.
  • Removable? Yes.
  • Fast Charging: No.


  • Extra Features: .
  • Launch Date: October 11, 2017.
  • Availability: October 2017.

How much is Karbonn A40 Indian?

The Karbonn A40 Indian smartphone comes in an array of colour options including Coffee Brown, Black, Blue, Red and Champagne. It has an effective price of Rs. 1,399, and users are able to use the company’s new Rs. 169 plan which gives you 512MB of 4G data and unlimited air time for a month. Here’s how it works:


You need to make a down payment of Rs 2899 for the 4G smartphone and make 36 continuous monthly recharges of Rs. 169. You will get a cash refund of Rs 500 after 18 months and another Rs. 1000 after 36 months, taking the total cash benefit to Rs 1500.

If you don’t need the bundled plan, you can do any recharge, but to claim the cash refund benefit, recharges worth Rs. 3000 must be done within the first 18 months to claim the first refund installment of Rs. 500 and another Rs 3000 over the next 18 months to claim the second refund installment of Rs. 1000.




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