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| Screenshot KREZ SL401B4 DUO 3G | 
 
| OS: Android 4.2 CPU: MediaTek MT6572, 1200 MHz RAM: 512 Mb Display: 4" Camera: 3 MP Battery: 1400 mAв‹…h | 
| Hardware and OS KREZ SL401B4 DUO 3G | |
| Operating system: | Android 4.2 | 
| Processor: | MediaTek MT6572, 1200 MHz | 
| Processor cores number: | 2 | 
| RAM: | 512 Mb | 
| Internal Storage: | 4 GB | 
| Memory Card Slot: | yes, volume of up to 32 GB | 
| GPU: | Mali-400 MP | 
| Display KREZ SL401B4 DUO 3G | |
| Type: | colored, sensor | 
| Size: | 4" | 
| Resolution: | 800x480 | 
| Pixel Density: | 233 | 
| Touchscreen: | multitouch, capacitive | 
| Aspect Ratio: | 5:3 | 
| Connectivity KREZ SL401B4 DUO 3G | |
| Standard: | GSM 900/1800/1900, 3G | 
| Interfaces: | Wi-Fi, Bluetooth 3.0, USB | 
| SIM: | regular | 
| Camera KREZ SL401B4 DUO 3G | |
| Main camera: | 3 MP | 
| Front camera: | 0.3 megapixels | 
| Flash: | rear, LED | 
| Video Recording: | yes | 
| Multimedia KREZ SL401B4 DUO 3G | |
| Audio: | MP3, FM-radio | 
| Headphone jack: | 3.5 mm | 
| Design KREZ SL401B4 DUO 3G | |
| Case type: | classic | 
| Height: | 113.21 mm | 
| Width: | 62.92 mm | 
| Thickness: | 11.8 mm | 
| Weight: | 180 grams | 
| Battery KREZ SL401B4 DUO 3G | |
| Capacity: | 1400 mA⋅h | 
| Connector type for charging: | micro-USB | 
| Other KREZ SL401B4 DUO 3G | |
| Flashlight: | yes | 
|  | WyxLjml | March 15, 2024 | 
| A feature phone offers a simple interface, long battery life, durable build, physical keypad, and affordable price point. | ||
| Reply | ||
|  | Gjm-Vlmamu | May 02, 2024 | 
| Limited functionality, outdated technology, low camera quality, bulky design, limited storage. | ||
| Reply | ||
|  | Vchozy# | May 07, 2024 | 
| Decent phone for basic tasks. | ||
| Reply | ||