4G
LCD
Smartphone
Karbonn A40 Indian Dual SIM LTE
Karbonn · Announced Oct 2017
About Karbonn A40
The Karbonn A40 is a compact Android handset designed for essential everyday use. Its 4-inch TN-TFT LCD display offers a resolution of 480 by 800 pixels, delivering basic clarity in a pocket-friendly form factor. Running Android 7.0 Nougat, the phone provides access to core smartphone functionalities, supported by 1 GB of RAM for modest multitasking.
Housed in a lightweight chassis weighing just 118 grams, the A40 measures 64.3 by 122.95 by 10.5 millimeters, making it easy to handle. Power comes from a 1400 mAh battery, while connectivity is handled through a single SIM slot, catering to users seeking straightforward, no-frills performance.
Technical Specifications
Display
Size
4 inch
Type
Color TN-TFT LCD display
Resolution
480x800
Color depth
24-bit
Subpixel
RGB Matrix (3 subpixels)
Screen-to-body
57.6%
Active area
52.27 × 87.12 mm
Touch
Capacitive multi-touch sensing screen
Performance
Processor
Spreadtrum
CPU
Quad-core, up to 1.3 GHz
GPU
ARM Mali-400
Process
28 nm
Platform
Google Android
Memory
RAM
1 GiB
Battery
Capacity
1400 mAh
Type
Lithium-ion
Cameras
Macro
1600×1200 · 1× optical
visibility
Megapixels
1.9
Sensor
CMOS
Flash
single LED
Formats
JPG
Features
Burst mode, Panorama Photo, Smile detection
Front
640×480
visibility
Megapixels
0.3
Sensor
CMOS
Formats
JPG
Features
Burst mode, Face retouch
Dimensions
Size
64.3 × 122.95 × 10.5 mm
Weight
118 g
Connectivity
Wi-Fi
Wi-Fi 4
Wi-Fi services
Wi-Fi Tethering
Bluetooth profiles
A2DP, AVRCP
USB
USB Series Micro-AB
USB services
USB charging
GPS
GPS
GPS services
Assisted GPS
FM radio
Yes
LTE · 2 bandsTD-LTE · 1 bandsUMTS · 2 bandsGSM · 2 bands
All LTE bands (2)
- LTE 1800 MHz (Band 3)
- LTE 850 MHz (Band 5)
All TD-LTE bands (1)
- TD-LTE 2300 MHz (Band XL) bands
All UMTS bands (2)
- UMTS 2100MHz (Band I, IMT)
- UMTS 900MHz (Band VIII)
All GSM bands (2)
- GSM 1800MHz (B3)
- GSM 900MHz (B8)
Audio
Channels
stereo
Output
3.5mm
Sensors
Sensors
Accelerometer, Light intensity sensor
Features
SIM
Micro-SIM (3FF) · Dual standby
Carrier
Bharti Airtel Limited India
Markets
Asia (India)
Extras
Haptic touch feedback
Software extras
Navigation software
Regulatory
Data status
Preliminary
Live Contract Deals
Placeholder
Deals integration coming soon