The Xiaomi Black Shark Helo 256GB is a good Android phone with 2.8Ghz Octa-Core processor that allows run games and heavy applications.
An advantage of the Xiaomi Black Shark Helo 256GB is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.
Good connectivity of this device includes Bluetooth 5.0 version A2DP/LE, Wi-Fi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz), but it lacks NFC connection.
Including the battery, the Xiaomi Black Shark Helo 256GB phone has 190 grams and it's a very thin device, only 8.7 mm.
| Model and physical features | Xiaomi Black Shark Helo 256GB |
| Brand | Xiaomi |
| Model | Black Shark Helo 256GB |
| Also known as | 黑鲨游戏手机 Helo 10GB RAM + 256GB UFS2.1, AWM-A0 |
| Country or region where it's sold |  |
| Release date | November, 2018 |
| Depth | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 75.25 x 160 millimeters (2.96 x 6.3 in) |
| Weight | 190 grams (6.65 ounces) |
| Qwerty physical keyboard | Not supported |
| Antenna | Internal antenna |
| Build, materials | Aluminum body, front glass |
| Protection against water and others | Not supported |
| Operating system (OS) | Xiaomi Black Shark Helo 256GB |
| Operating system | Android 8.0 Oreo |
| Firmware update | feature not registered |
| Hardware | Xiaomi Black Shark Helo 256GB |
| Architecture - Chipset | 64bit - Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU processor | Octa-Core, 2 processors:
2.8Ghz Quad-Core Kryo 385 Gold
1.8Ghz Quad-Core Kryo 385 Silver |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz |
| RAM memory | 10GB LPDDR4X |
| Internal storage | 256GB (240GB user available) |
| External storage | Not supported |
| Display | Xiaomi Black Shark Helo 256GB |
| Display type | AMOLED |
| Screen size | 6.01" inches |
| Screen-to-body ratio | ~77.4% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch |
| Display resolution | 1080x2160 pixels |
| Pixel density (dot pitch) | 402 PPI |
| Colors | 16 million |
| Scratch-resistant glass | Not supported |
| Mobile networks and data | Xiaomi Black Shark Helo 256GB |
| Dual-SIM | Dual SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots Dual-SIM
nano-SIM (4FF) |
| GSM Mhz band | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat12 (Bands 1,3,4,5,7,8,20)
TD-LTE (Bands 34,38,39,40,41) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported |
| Secondary 4G network | Not supported |
| Secondary data network | GPRS, EDGE |
| Maximum download/upload | 600/50 Mbps |
| Messaging and calling | Xiaomi Black Shark Helo 256GB |
| Messaging | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported |
| Video calling | Supported |
| Call control | Voice dialing, Voice recorder |
| Primary camera / Back camera | Xiaomi Black Shark Helo 256GB |
| Main camera | (dual camera)
12 megapixels
20MP telephoto (f/1.8 1.0µm) |
| Main camera resolution | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160 pixels) 30 fps |
| Flash | Dual LED flash |
| Focal aperture | f/1.8 (aperture) |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported |
| Image stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection |
| BSI sensor | Not supported |
| HDR | HDR photo on both cameras |
| Front camera / Secondary camera | Xiaomi Black Shark Helo 256GB |
| Front camera | 20 megapixels |
| Front camera resolution | 5952x3348 pixels |
| Video recording (secondary) | Full HD (1920x1080 pixels) |
| Front flash | Not supported |
| Focal aperture | f/2.2 (aperture) |
| Focal length | feature not registered |
| Sensor size | feature not registered |
| Pixel size | 1µm pixel |
| Multimedia | Xiaomi Black Shark Helo 256GB |
| Radio | Not supported |
| TV | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity and interfaces | Xiaomi Black Shark Helo 256GB |
| USB | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported |
| Audio output | Type-C jack with 3.5mm jack adapter |
| Bluetooth | 5.0 version A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz) |
| DLNA | Not supported |
| NFC | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou |
| Infrared port | Not supported |
| Other functions | Xiaomi Black Shark Helo 256GB |
| Active noise cancellation | Supported |
| Vibrating alert | Supported |
| Ringtones | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 |
| Java / Flash player | Not supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Fingerprint (rear-mounted)
|
| Other features | - Colors: Black
- Display: 18:9 / HDR / 430nit
- 100% DCI-P3 coverage display
- Quick Charge 3.0
- Left and right game pad included
- WiFi direct, hotspot |
| Power supply and autonomy | Xiaomi Black Shark Helo 256GB |
| Battery technology | Li-Ion (Non removable)
Fast battery charging |
| Battery capacity | 4000 mAh |
| Battery model / charger (watts) | 9V/2A=18W |
| Talk time | feature not registered |
| Standby | feature not registered |
| Specific absorption rate (radiation) | Xiaomi Black Shark Helo 256GB |
| SAR USA, Mexico, Colombia | feature not registered |
| SAR European Union, UK | feature not registered |