| Hardware and OS | Alcatel 1B 2021 | |
| Operating system | Android v11 | |
| Processor | Qualcomm QM215 (28 nm) | |
| RAM | 3 GB | |
| Internal Storage | 32 GB | |
| Display | Alcatel 1B 2021 | other phones |
| Type | IPS LCD | |
| Size | 5.5 inches | |
| Resolution | 720 x 1440 Pixels | |
| Pixel Density | 293 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Connectivity | Alcatel 1B 2021 | other phones |
| Network support | 4G , 3G, 2G | |
| WI-FI | Yes, Wi-Fi 802.11, b/g/n | |
| Gps | Yes, with A-GPS | |
| Bluetooth | Yes, v4.2 | |
| Dual SIM | Dual SIM, GSM GSM | |
| SIM size | SIM1: Nano, SIM2: Nano | |
| USB connectivity | Mass storage device, USB charging | |
| Camera | Alcatel 1B 2021 | other phones |
| Main camera | 13 MP | |
| Front camera | 5 MP | |
| Front camera resolution | 5 MP, f/2.2, (wide), 1/5", 1.12µm | |
| Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Autofocus | Yes | |
| Video recording | Yes | |
| Multimedia | Alcatel 1B 2021 | other phones |
| Audio jack | 3.5 MM | |
| Loudspeaker | Yes | |
| Design | Alcatel 1B 2021 | other phones |
| Height | 146.1 mm | |
| Width | 71.6 mm | |
| Thickness | 9.9 mm | |
| Weight | 168 grams | |
| Colours | Prime Black, Pine Green | |
| Battery | Alcatel 1B 2021 | other phones |
| Capacity | 4000 mAh | |
| Type | Li-Polymer | |
| Other | Alcatel 1B 2021 | other phones |
| Other sensors | Accelerometer, Proximity | |
