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- HMD 102 4G vs Karbonn K21
HMD 102 4G vs Karbonn K21 comparison
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| key specs | ||||
| Display | 2.00-inch | 2.20-inch | ||
| Front Camera | No | No | ||
| Rear Camera | Unspecified | 1.3-megapixel | ||
| Battery Capacity | 1000mAh | 1000mAh | ||
| OS | Series 30+ | Proprietary | ||
| Processor | - | one-core | ||
| Resolution | - | 176x220 pixels | ||
| general | ||||
| Brand | HMD | Karbonn | ||
| Model | 102 4G | K21 | ||
| Release date | September 11, 2025 | December 1, 2011 | ||
| Launched in India | Yes | - | ||
| Form factor | Bar | Bar | ||
| Dimensions (mm) | 118.20 x 50.20 x 14.30 | 111.50 x 47.30 x 14.30 | ||
| Weight (g) | 83.50 | 80.00 | ||
| IP rating | IP52 | - | ||
| Battery capacity (mAh) | 1000 | 1000 | ||
| Removable battery | Yes | Yes | ||
| Colours | Blue, Purple, Red | Coffee, Grey | ||
| Alternate names | - | K21 Radio jockey | ||
| display | ||||
| Screen size (inches) | 2.00 | 2.20 | ||
| Touchscreen | No | No | ||
| Resolution | - | 176x220 pixels | ||
| camera | ||||
| Rear camera | Unspecified | 1.3-megapixel | ||
| No. of Rear Cameras | 1 | - | ||
| Rear flash | LED | No | ||
| Front camera | No | No | ||
| software | ||||
| Operating system | Series 30+ | Proprietary | ||
| connectivity | ||||
| Bluetooth | Yes | Yes | ||
| USB Type-C | Yes | - | ||
| Headphones | 3.5mm | - | ||
| Active 4G on both SIM cards | Yes | - | ||
| Wi-Fi | - | No | ||
| GPS | - | No | ||
| NFC | - | No | ||
| Infrared | - | No | ||
| USB OTG | - | No | ||
| FM | - | Yes | ||
| Number of SIMs | - | 2 | ||
| Wi-Fi Direct | - | No | ||
| Mobile High-Definition Link (MHL) | - | No | ||
| hardware | ||||
| Processor | - | one-core | ||
| Expandable storage | - | Yes | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 8 | ||
| sim 1 | ||||
| SIM Type | - | Regular | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | No | ||
| 4G/ LTE | - | No | ||
| sim 2 | ||||
| SIM Type | - | Regular | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | No | ||
| 4G/ LTE | - | No | ||
| sensors | ||||
| Compass/ Magnetometer | - | No | ||
| Proximity sensor | - | No | ||
| Accelerometer | - | No | ||
| Ambient light sensor | - | No | ||
| Gyroscope | - | No | ||
| Barometer | - | No | ||
| Temperature sensor | - | No | ||
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