| Network | |
|---|---|
| Technology | GSM / CDMA / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 |
| CDMA 800 & TD-SCDMA | |
| 3G bands | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 3, 4, 5, 8, 38, 39, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE |
| Launch | |
| Announced | 2018, May |
| Status | Available. Released 2018, May |
| Body | |
| Dimensions | 154.4 x 75 x 7 mm (6.08 x 2.95 x 0.28 in) |
| Weight | 159 g (5.61 oz) |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Display | |
| Type | Super AMOLED capacitive touchscreen, 16M colors |
| Size | 6.28 inches, 98.4 cm2 (~85.0% screen-to-body ratio) |
| Resolution | 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) |
| Platform | |
| OS | Android 8.1 (Oreo), Funtouch 4 |
| Chipset | Mediatek MT6771 Helio P60 (12 nm) |
| CPU | Octa-core (4×2.0 GHz Cortex-A73 & 4×2.0 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 |
| Memory | |
| Card slot | microSDXC (uses shared SIM slot) |
| Internal | 64GB 6GB RAM, 128GB 4GB RAM |
| eMMC 5.1 | |
| Main Camera | |
| Dual | 12 MP, f/1.8, 1/2.55″, 1.4µm, dual pixel PDAF 5 MP, f/2.4, (depth) |
| Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
| Selfie camera | |
| Single | 24 MP, f/2.0, 26mm (wide), 1/2.8″, 0.9µm |
| Video | |
| Sound | |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| 32-bit/192kHz audio | |
| Comms | |
| 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 |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
| Features | |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity, compass |
| Battery | |
| Non-removable Li-Ion 3425 mAh battery | |
| Charging | Fast charging 18W |
| Misc | |
| Colors | Black, Aurora White, Ruby Red, Night Purple |
| Models | X21i A |