| Hardware and OS | TCL 20A 5G | |
| Operating System | Android v11 | |
| Processor | Octa core (2 GHz, Dual core, Kryo 460 1.8 GHz, Hexa Core, Kryo 460) | |
| Chipset | Qualcomm Snapdragon 480 | |
| Architecture | 64 bit | |
| Internal Memory | 64 GB | |
| External memory | Yes, Up to 256 GB | |
| RAM | 4 GB | |
| GPU | Adreno 619 | |
| Display | TCL 20A 5G | other phones |
| Type | IPS LCD | |
| Size | 6.52 inches (16.56 cm) | |
| Screen format | 20:9 | |
| PPI /points per inch/ | 269 ppi | |
| Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | |
| Connectivity | TCL 20A 5G | other phones |
| 4G Bands | TD-LTE 2300(band 40), FD-LTE 1800(band 3) | |
| Network Support | 5G, 4G, 3G, 2G | |
| SIM card | SIM1: Nano, SIM2: Nano | |
| SIM Slot(s) | Dual SIM, GSM GSM | |
| Bluetooth | Yes, v5.0 | |
| GPS | Yes with A-GPS | |
| USB Connectivity | Mass storage device, USB charging | |
| VoLTE | Yes | |
| Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | |
| Camera | TCL 20A 5G | other phones |
| Main camera | 16 MP, Primary Camera, 5 MP, Ultra-Wide Angle Camera, 2 MP, | |
| Camera Setup | Triple | |
| Autofocus | Yes | |
| Camera Features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
| Flash | Yes, LED Flash | |
| Image Resolution | 4616 x 3464 Pixels | |
| Selfie camera | 13 MP, Primary Camera, | |
| Multimedia | TCL 20A 5G | other phones |
| Headphone jack | 3.5 mm | |
| Loudspeaker | Yes | |
| Design | TCL 20A 5G | other phones |
| Colours | Black | |
| Battery | TCL 20A 5G | other phones |
| Capacity | 4500 mAh | |
| Type | Li-Polymer | |
| Removable | No | |
| Quick Charging | Yes, Fast, 18W | |
| USB Type-C | Yes | |
| Other features | TCL 20A 5G | other phones |
| Fingerprint Sensor | Yes | |
| Fingerprint Sensor Position | Rear | |
| Other Sensors | Light sensor, Proximity sensor, Accelerometer | |
