Karbonn Smart A12 Star
$40
Overview
Karbonn Smart A12 Star is a budget Android smartphone released in 2014 with a 4-inch IPS LCD, powerful processor chipset, 5 main camera, and 1400 mAh battery.
Priced at $40, it targets users seeking budget performance.
Specifications of Karbonn Smart A12 Star
The display of Karbonn Smart A12 Star measures 4 inches with IPS LCD technology. Peak brightness reaches 250 nits for excellent outdoor visibility. The screen renders at 480x800 pixels resolution.
The camera system of Karbonn Smart A12 Star features 1 rear cameras: 5 main. Video recording supports up to 720p.
The battery of Karbonn Smart A12 Star has 1400mAh capacity with 5.0 wired charging. A full charge takes approximately 240 min minutes.
The connectivity of Karbonn Smart A12 Star includes Wi-Fi Wi-Fi 802.11 b/g/n, hotspot, and Bluetooth 2.0.
The build of Karbonn Smart A12 Star weighs 130.0g with Plastic frame and Plastic back. Dimensions measure 124.2 x 64.2 x 10.1 mm.
The software of Karbonn Smart A12 Star runs Android 4.4.2 (KitKat) with Stock Android.
Compare Karbonn Smart A12 Star
Frequently Asked Questions about Karbonn Smart A12 Star
Karbonn Smart A12 Star has a 5 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
Karbonn Smart A12 Star has a 1400mAh battery. Battery life varies based on usage patterns.
Karbonn Smart A12 Star at $40 is a budget device. It's worth buying if you prioritize affordability over premium features.
Karbonn Smart A12 Star supports 5.0 wired charging with full charge in approximately 240 min minutes.
Karbonn Smart A12 Star is available in 4GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Karbonn Smart A12 Star has a 4-inch IPS LCD with 60Hz refresh rate and 250 nits peak brightness. HDR support includes No.
Karbonn Smart A12 Star in Category Rankings
See how Karbonn Smart A12 Star ranks in these categories:
Verdict
The Karbonn Smart A12 Star delivers practical value for users prioritizing affordability over premium features. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
4"
Main Camera
5
Chipset
Full Specifications
Network
| Technology | GSM / HSPA |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 2100 |
| 4G LTE Bands | |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Micro-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2014 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $80 |
Body & Design
| Dimensions (mm) | 124.2 x 64.2 x 10.1 mm |
| Weight (g) | 130.0 |
| Build Materials | Plastic |
| Frame | Plastic |
| Back Finish | Plastic |
| Colors | ["Black"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Passive |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | IPS LCD |
| Size (inches) | 4 |
| Resolution (px) | 480x800 pixels |
| Aspect Ratio | 9:16 |
| Pixel Density (ppi) | 229 |
| Screen-to-body Ratio (%) | 57.1 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 120 |
| Peak Brightness (nits) | 250 |
| HDR Standards | |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | N/A |
| Glass Protection | Scratch Resistant Glass |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 4.4.2 (KitKat) |
| Update Policy | N/A |
| Chipset | N/A |
| CPU | Dual-core 1.2 GHz |
| GPU | | |
| NPU/AI TOPs | N/A |
| ISP Features | Basic |
| Modem | hsupa-21 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | 15000 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | N/A |
| RAM Type | DDR3 |
| Storage | 4GB |
| Storage Type | 4GB 512MB RAM |
| Storage Speed | emmc-4.5 |
| Expandable Storage | microSDHC |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption | basic |
Main Camera System
| Rear Cameras | 1 |
| Main Sensor | 5 |
| Main Sensor Size | 1/4 inch |
| Main Sensor Model | N/A |
| Main Lens | f/2.8, 30mm |
| OIS | |
| Autofocus | AF |
| Pixel Binning | |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 720p |
| HDR/Dolby Vision Video | |
| Video Codecs | h264 |
| Slow Motion | |
| Video Stabilization | Digital |
| Night Mode Features | basic |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | 1/5 inch |
| Aperture | f/2.8 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 480p |
| HDR/Dolby Vision | N/A |
| Face Unlock | basic |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | aac |
| DAC/Amp | Basic |
Connectivity
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 2.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | Micro-USB |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | N/A |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | N/A |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 1400 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 5.0 |
| Wired Standard | micro-usb |
| 0-50% Time (mins) | 120 min |
| Full Charge Time | 240 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 5w-charger |
| Battery Health Features | Basic |
Software
| OS at Launch | Android 4.4.2 (KitKat) |
| Update Window | N/A |
| UI Skin / Launcher | Stock Android |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic |
| Accessibility | Basic |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | charger-cable-earphones-manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!
Karbonn Smart A12 Star Review: Solid Performance for the Price
Our comprehensive review of the Karbonn Smart A12 Star covers display quality, camera performance, battery life, and overall value. A solid choice in its price segment.
- + Excellent value for money
- - Display could be brighter or smoother
- - Performance may struggle with demanding tasks