Unihertz 8849 Tank 4 Pro...
10000 mAh with 18 W fast charging and 5 W reverse charging, IP68/IP69K and MIL-STD-810H certified chassis and 6.56″ 90 Hz display define a ruggedised device designed to withstand long shifts and uncompromising field work. It is supported by Android 15 (DokeOS 4.2) and useful AI functions in hands-free and gloves mode.
It integrates the Unisoc Tiger T615 with 4/128GB or 6/256GB options, and microSD expansion up to 2TB. RAM supports virtual expansion (up to 18GB on the 6GB version). It runs DokeOS 4.2 on Android 15, with practical tools for professional use.
6.56" HD+ (720×1612) IPS display with 90 Hz and 180 Hz touch sampling. 450 nits brightness and 20:9 aspect ratio. Body 176.15 × 80.1 × 17.5 mm and 390 g, with side fingerprint reader and lanyard loop. Pros: smoothness and good readability; cons: resolution and brightness for bright sunlight.
The 10,000 mAh battery lasts several days with moderate use; supports 18 W fast charging and 5 W OTG reverse charging for accessories. The manufacturer speaks of up to "48 days standby", an indicative figure subject to actual use. Clear advantage over conventional phones; no wireless charging or faster speeds.
Dual rear module: 16 MP main + 2 MP depth; 8 MP front. OK results for documentation, code reading and messaging. Weaknesses: no advanced stabilisation or high-resolution sensors or infrared night vision.
4G dual VoLTE, NFC, Wi-Fi ac and Bluetooth 5.2, GPS/GLONASS/Galileo/Beidou and triple tray (2×SIM + microSD). Glove Mode 2.0 and sealed chassis with quoted ruggedness standards. Strong in field options; no 5G.
In its range, the Blackview Fort 1 prioritises autonomy, robustness and up-to-date software. Compared to the Oukitel WP53 Pro (also T615, 11,000 mAh battery and 50 MP camera), the Fort 1 offers a simpler package in terms of photography but competitive in terms of finishes and with Android 15 as standard. Compared to the Ulefone Armor X13 (6,320 mAh and 50 MP camera + night vision), it stands out for its notably larger battery and triple slot, although it lags behind in camera options. Overall, it comes highly recommended for professional tasks or adventure where battery, IP68/IP69K and reliability matter more than advanced photography.
Tech specs: | |
| System | |
| Operating system: | DokeOS 4.2 based on Android 15 |
| Processor: | Unisoc Tiger T615, Octa-Core (2x Cortex A75 1.8 GHz + 6x Cortex A55 1.6 GHz, 12 nm) |
| Graphics: | Arm Mali-G57 |
| RAM: | 4 GB LPDDR4X |
| Internal memory: | 128 GB eMMC 5.1, expandable up to 2TB |
| SD card: | Yes, in separate slot |
| SIM: | Dual SIM |
| Card type: | Nano SIM / Nano SIM |
| Language: | Multi language (includes Spanish and Portuguese). |
| Play Store: | Yes |
| Display | |
| Features: | 6.56" HD+ IPS |
| Definition: | HD+ |
| Resolution: | 1612 x 720 pixels |
| Density: | 269 ppi |
| Refresh rate: | 90 Hz |
| Peak brightness: | 450 cd/m² |
| Glass: | Corning Gorilla Glass 5 |
| Resistance certifications: | MIL-STD-810H, IP68, IP69K |
| Camera | |
| Front: | 8 MP f/2.2 |
| Rear: | 16 MP f/2.2 main camera + 2 MP f/2.4 depth sensor |
| Flash: | Yes |
| Sensors | |
| Accelerometer: | Yes |
| Altimeter: | Yes |
| Gyroscope: | Yes |
| Proximity sensor: | Yes |
| Light sensor: | Yes |
| Compass: | Yes |
| Fingerprint reader: | Yes |
| Connectivity | |
| 2G (GSM) networks: | GSM: 2/3/5/8 |
| 3G (WCDMA) networks: | WCDMA: 1/5/8 |
| 4G (LTE) networks: | FDD: 1/3/5/7/8/20/28 - TDD: 38/40/41 |
| Wi-Fi: | 2.4GHz / 5GHz |
| Bluetooth: | 5.2 |
| FM radio: | Yes |
| Headphone jack: | 3.5 mm |
| Supported audio formats: | aac, m4a, mp4, amr, awb, mid, midi, smf, xmf, rtx, ota, imy, mp3, ogg, oga, wav, flac |
| Supported video formats: | ts, mp4, 3gp, mkv, webm |
| GPS: | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Regional locking: | No |
| Quad-band: | Yes |
| USB: | USB-C |
| NFC: | Yes |
| Dimensions | |
| Inches: | 6.56" |
| Size: | 176.2 x 80.1 x 17.5 mm |
| Weight: | 390 g |
| Battery | |
| Capacity: | 10000 mAh |
| Fast charge: | 18 W |
| Reverse charging: | 5 W |
| Box contents | |
| 1 x | Blackview Fort 1 4GB/128GB Green |
| 1 x | USB-C cable |
| 1 x | Case |
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