Karbonn A1+ Duple mobile was launched in November 2013. The phone comes with a 3.50-inch touchscreen display offering a resolution of 320x480 pixels. Karbonn A1+ Duple is powered by a 1.3GHz dual-core processor. It comes with 256MB of RAM. The Karbonn A1+ Duple runs Android 4.2 and is powered by a 1300mAh removable battery.
As far as the cameras are concerned, the Karbonn A1+ Duple on the rear packs 3-megapixel camera. It sports a 0.3-megapixel camera on the front for selfies.
Karbonn A1+ Duple is based on Android 4.2 and packs 512MB of inbuilt storage that can be expanded via microSD card (up to 32GB). The Karbonn A1+ Duple is a dual-SIM (GSM and GSM) mobile that accepts Regular and Regular cards. The Karbonn A1+ Duple measures 113.50 x 59.00 x 12.10mm (height x width x thickness) and weighs 107.00 grams. It was launched in Black colour.
Connectivity options on the Karbonn A1+ Duple include Wi-Fi, GPS, and FM radio. Sensors on the phone include accelerometer and proximity sensor.
As of 4th December 2025, Karbonn A1+ Duple price in India starts at Rs. 2,999.
| Brand | Karbonn |
| Model | A1+ Duple |
| Price in India | ₹2,999 |
| Release date | November 2013 |
| Form factor | Touchscreen |
| Dimensions (mm) | 113.50 x 59.00 x 12.10 |
| Weight (g) | 107.00 |
| Battery capacity (mAh) | 1300 |
| Removable battery | Yes |
| Colours | Black |
| Screen size (inches) | 3.50 |
| Touchscreen | Yes |
| Resolution | 320x480 pixels |
| Processor | 1.3GHz dual-core |
| RAM | 256MB |
| Internal storage | 512MB |
| Expandable storage | Yes |
| Expandable storage type | microSD |
| Expandable storage up to (GB) | 32 |
| Rear camera | 3-megapixel |
| Rear flash | LED |
| Front camera | 0.3-megapixel |
| Operating system | Android 4.2 |
| Wi-Fi | Yes |
| GPS | Yes |
| Bluetooth | Yes |
| NFC | No |
| Infrared | No |
| USB OTG | No |
| Headphones | 3.5mm |
| FM | Yes |
| Number of SIMs | 2 |
| Wi-Fi Direct | No |
| Mobile High-Definition Link (MHL) | No |
| SIM 1 | |
| SIM Type | Regular |
| GSM/CDMA | GSM |
| 3G | No |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| SIM 2 | |
| SIM Type | Regular |
| GSM/CDMA | GSM |
| 3G | No |
| 4G/ LTE | No |
| Supports 4G in India (Band 40) | No |
| Compass/ Magnetometer | No |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | No |
| Gyroscope | No |
| Barometer | No |
| Temperature sensor | No |
Karbonn A1+ Duple
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