| BLU Advance A4 2019 |
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| Hardware and OS | BLU Advance A4 2019 | |
| Operating system | Android 8.1 Oreo Go | |
| Processor | Processor clock: 1.30 GHz | |
| RAM memory | 512 MB | |
| Internal memory | 16 GB | |
| Memory cards | yes microSD, microSDHC, microSDXC (up to 64 GB) | |
| Display | BLU Advance A4 2019 | other phones |
| Display | Color / TFT 16M colors 480 x 854 px (4.00") 242 ppi | |
| Display protection | yes | |
| Touchscreen | yes | |
| Connectivity | BLU Advance A4 2019 | other phones |
| NFC | yes | |
| Bluetooth | yes v4.0 | |
| GPS | yes | |
| GPRS | yes | |
| EDGE | yes | |
| WiFi | yes v802.11 b/g/n | |
| Hotspot WiFi | yes | |
| DLNA | yes | |
| IrDA | yes | |
| USB | yes | |
| WAP | yes v2.0 | |
| Camera | BLU Advance A4 2019 | other phones |
| Main camera | 5 Mpx | |
| Flash | yes LED | |
| Digital zoom | yes | |
| Additional | FF | |
| Video formats | H.263, MPEG4 | |
| Selfie camera | 2 Mpx | |
| Multimedia | BLU Advance A4 2019 | other phones |
| Radio | yes | |
| Design | BLU Advance A4 2019 | other phones |
| Battery | BLU Advance A4 2019 | other phones |
| Capacity | Li-Ion 1400 mAh | |
| Quick battery charging | yes | |
| Wireless battery charging | yes | |
| Other | BLU Advance A4 2019 | other phones |
| Accelerometer | yes | |
| Altimeter | yes | |
| Barometer | yes | |
| Fingerprint scanner | yes | |
| Gravity | yes | |
| Gyroscope | yes | |
| Hall-effect | yes | |
| Hygrometer | yes | |
| Iris scanner | yes | |
| Magnetometer | yes | |
| Thermometer | yes |
