| Local Name | Galaxy M30 |
| Additional Information | Also known as Samsung Galaxy A40s in China Versions: SM-M305F/DS, SM-M305FN/DS (Global); SM-M305M/DS (LATAM/Brazil); SM-M305G/DS |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300), 41(2500) |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA, LTE-A |
| Announced | 2019, February |
| Status | Available. Released 2019, March |
| Dimensions | 159 x 75.1 x 8.5 mm (6.26 x 2.96 x 0.33 in) |
| Weight | 174 g (6.14 oz) |
| Build | Glass front, plastic back, plastic frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Super AMOLED capacitive touchscreen, 16M colors |
| Screen Size | 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| OS | Android 8.1 (Oreo), upgradable to Android 10.0; One UI 2 |
| Chipset | Exynos 7904 (14 nm) |
| CPU | Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) |
| GPU | Mali-G71 MP2 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 32GB 3GB RAM, 64GB 4GB RAM, 128GB 6GB RAM | eMMC 5.1 |
| Camera Features | HDR |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Radio | FM radio, RDS, recording |
| USB | 2.0, Type-C 1.0 reversible connector |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Battery | Non-removable Li-Po 5000 mAh battery |
| Colors | Black, Blue |
| SAR EU | 0.45 W/kg (head) 1.32 W/kg (body) |
