Karbonn K309 Boombastic
$30
Overview
Karbonn K309 Boombastic is a budget Android smartphone released in 2012 with a 2.6-inch TFT, powerful processor chipset, 3 main camera, and 1500 mAh battery.
Priced at $30, it targets users seeking budget performance.
Specifications of Karbonn K309 Boombastic
The display of Karbonn K309 Boombastic measures 2.6 inches with TFT technology. The screen renders at 176x220 pixels resolution.
The camera system of Karbonn K309 Boombastic features 1 rear cameras: 3 main. Video recording supports up to 240p.
The battery of Karbonn K309 Boombastic has 1500mAh capacity with 5.0 wired charging. A full charge takes approximately 240 min minutes.
The connectivity of Karbonn K309 Boombastic includes Wi-Fi No, and Bluetooth 2.0.
The build of Karbonn K309 Boombastic weighs 85.0g with Plastic frame and Glossy plastic back. Dimensions measure 113 x 49 x 15.2 mm.
Compare Karbonn K309 Boombastic
Frequently Asked Questions about Karbonn K309 Boombastic
Karbonn K309 Boombastic has a 3 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
Karbonn K309 Boombastic has a 1500mAh battery. Battery life varies based on usage patterns.
Karbonn K309 Boombastic at $30 is a budget device. It's worth buying if you prioritize affordability over premium features.
Karbonn K309 Boombastic supports 5.0 wired charging with full charge in approximately 240 min minutes.
Karbonn K309 Boombastic has a 2.6-inch TFT with 60Hz refresh rate. HDR support includes No.
Karbonn K309 Boombastic in Category Rankings
See how Karbonn K309 Boombastic ranks in these categories:
Verdict
The Karbonn K309 Boombastic 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
2.6"
Main Camera
3
Chipset
Full Specifications
Network
| Technology | GSM |
| 2G Bands | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Bands | N/A |
| 4G LTE Bands | |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Mini-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support |
Launch
| Announced | 2012 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $60 |
Body & Design
| Dimensions (mm) | 113 x 49 x 15.2 mm |
| Weight (g) | 85.0 |
| Build Materials | Plastic |
| Frame | Plastic |
| Back Finish | Glossy plastic |
| Colors | ["Black/Red"] |
| 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 Vibration |
Display
| Panel Type | TFT |
| Size (inches) | 2.6 |
| Resolution (px) | 176x220 pixels |
| Aspect Ratio | 3:4 |
| Pixel Density (ppi) | 154 |
| Screen-to-body Ratio (%) | 25.0 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 60 |
| Peak Brightness (nits) | N/A |
| HDR Standards | |
| Color Gamut | 65% sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | 250 |
| Glass Protection | N/A |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | N/A |
| Update Policy | N/A |
| Chipset | N/A |
| CPU | N/A |
| GPU | N/A |
| NPU/AI TOPs | N/A |
| ISP Features | Basic |
| Modem | MT6235 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | N/A |
| RAM Type | N/A |
| Storage | N/A |
| Storage Type | eMMC 5.1 |
| Storage Speed | eMMC 4.5 |
| Expandable Storage | microSDHC (dedicated slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption |
Main Camera System
| Rear Cameras | 1 |
| Main Sensor | 3 |
| Main Sensor Size | N/A |
| Main Sensor Model | N/A |
| Main Lens | 3.2mm |
| OIS | |
| Autofocus | Fixed Focus |
| Pixel Binning | |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 240p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.263 |
| Slow Motion | |
| Video Stabilization | |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | N/A |
| Aperture | N/A |
| AF/OIS | N/A |
| Secondary Front Cam | |
| Front Flash | |
| Video | 320p |
| HDR/Dolby Vision | N/A |
| Face Unlock |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | MP3, AAC |
| DAC/Amp | Basic DAC |
Connectivity
| Wi-Fi | |
| Wi-Fi Features | |
| Bluetooth | 2.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | |
| Dual-Band GNSS | |
| FM Radio | |
| USB | Micro-USB |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | N/A |
| 3D Face ID | N/A |
| Accelerometer | N/A |
| Gyroscope | N/A |
| Magnetometer | N/A |
| Proximity Sensor | N/A |
| Ambient Light | N/A |
| Barometer | N/A |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 1500 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 5.0 |
| Wired Standard | 5V/1A |
| 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 | |
| Battery Health Features | Basic charging |
Software
| OS at Launch | Proprietary OS |
| Update Window | N/A |
| UI Skin / Launcher | N/A |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic |
| Accessibility | Basic |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, charger, battery, 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 K309 Boombastic Review: Solid Performance for the Price
Our comprehensive review of the Karbonn K309 Boombastic 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