| Local Name | X4 Soul Infinity Plus |
| Technology | GSM / HSPA / LTE |
| 4G Bands | 1, 3, 7, 8, 20, 38 |
| 3G Bands | HSDPA 900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 21.1/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| Announced | 2017, September |
| Status | Available. Released 2017, September |
| Dimensions | 158.7 x 75.2 x 8 mm (6.25 x 2.96 x 0.31 in) |
| Weight | 156 g (5.50 oz) |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Li-Po 3050 mAh, non-removable |
| Screen Size | 6.0 inches, 92.9 cm2 (~77.8% screen-to-body ratio) |
| Resolution | 1080 x 2160 pixels, 18:9 ratio (~402 ppi density) |
| Protection | Corning Gorilla Glass (unspecified version) |
| OS | Android 7.1 (Nougat) |
| Chipset | Mediatek MT6757 Helio P25 (16 nm) |
| CPU | Octa-core (4x2.4 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53) |
| GPU | Mali-T880MP2 |
| Card Slot | microSDXC (uses shared SIM slot) |
| Internal Memory | 64GB 6GB RAM |
| Camera Features | LED flash |
| Video | 1080p@30fps |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n |
| Bluetooth | 4.0, A2DP, EDR, LE |
| NFC | No |
| Radio | FM radio |
| USB | USB Type-C 2.0 |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Colors | Black |
| SAR EU | 1.65 W/kg (head) |