| Hardware and OS | Qtek S300 | |
| Operating system | MS Windows Mobile 5.0 | |
| Processor | 416 MHz | |
| RAM | 64 Mb | |
| Internal Storage | 4 GB | |
| Memory Card Slot | yes | |
| Display | Qtek S300 | other phones |
| Type | colored TFT, 65.54 thousand colors | |
| Resolution | 240x240 | |
| Connectivity | Qtek S300 | other phones |
| Standard | GSM 900/1800/1900, 3G | |
| Interfaces | Wi-Fi, Bluetooth, IRDA, USB | |
| SIM | regular | |
| Camera | Qtek S300 | other phones |
| Main camera | 2.1 MP | |
| Front camera | 0 megapixels | |
| Flash | rear | |
| Video Recording | yes | |
| Multimedia | Qtek S300 | other phones |
| Audio | MP3, stereo speakers, FM-radio | |
| Design | Qtek S300 | other phones |
| Case type | classic | |
| Height | 112 mm | |
| Width | 46 mm | |
| Thickness | 14 mm | |
| Weight | 150 grams | |
| Battery | Qtek S300 | other phones |
| Capacity | 1350 mA?h | |
| Battery type | Li-Ion | |
| Standby time | 200 hours | |
| Talk time | 4 hours | |
| Other | Qtek S300 | other phones |
| Flashlight | yes | |
