Umidigi Bison X20

The Umidigi Bison X20 has a rugged build rated at IP68, meaning it is fully waterproof rather than merely splash or sweat resistant. It measures 172.1mm tall, 83.8mm wide, and 12.9mm thick, with a total volume of 186.043542 cm³ and a weight of 278g. The device is not a folding smartphone.

The Bison X20 features a 6.53″ IPS LCD touchscreen with a resolution of 720x1600 pixels at 269 ppi. The display does not include branded damage-resistant glass, and it lacks support for HDR10, HDR10+, and Dolby Vision. There is no Always-On Display mode and no secondary screen.

The Bison X20 is powered by the MediaTek Helio P60 chipset, built on a 12nm process with an octa-core CPU configuration of 4x2 GHz and 4x2 GHz using big.LITTLE technology across 8 threads. It is paired with 6GB of DDR4 RAM running at 1800 MHz and 128GB of eMMC 5.1 internal storage, with a maximum supported memory of 8GB and a peak memory bandwidth of 13.41 GB/s across 2 channels. The Mali G72 MP3 GPU operates at 800 MHz, supports DirectX 12, OpenGL 3.2, OpenGL ES 3.2, and OpenCL 2, and handles integrated graphics with integrated LTE on the SoC. Security features include TrustZone and NX bit, and the platform is fully 64-bit compatible. Geekbench 6 scores come in at 1,155 multi-core and 299 single-core, while PassMark results are 2,411 overall and 898 single-core.

The Bison X20 uses a dual rear camera setup combining a 20MP and a 2MP sensor, with apertures of f/2.4 and f/2.2 respectively, built on a CMOS sensor without back-illumination. Autofocus options include phase-detection and touch autofocus, as well as continuous autofocus during video recording, though laser autofocus is absent. Manual controls cover ISO, exposure, focus, and white balance, while burst mode, HDR, slow-motion video, and in-camera panoramas are all supported; manual shutter speed, RAW capture, 360-degree panorama, and optical zoom are not available. Video recording tops out at 1080p at 30 fps, with no HDR10 or Dolby Vision recording support. A single LED flash is present on the rear, while the front camera offers 8MP with an f/2.2 aperture and has no front-facing flash, no secondary lens, and is not positioned under the display.

The Bison X20 runs Android 13 and includes a broad set of privacy controls, covering clipboard warnings, location privacy options, camera and microphone access management, and app tracking blocking, though Mail Privacy Protection and cross-site tracking blocking are absent. Display and interface customization options include dark mode, dynamic theming, theme customization, extra dim mode, and widget support, while focus modes and app offloading are not available. On the productivity side, the OS supports split screen, Picture-in-Picture, full-page screenshots, Live Text, customizable notifications, a media picker, sharing intents, and the ability to play games while they download. Multi-user support, a child lock, offline voice recognition, voice commands, phone tracking, and on-device machine learning are all present. Wi-Fi password sharing, battery health check, Quick Start, and the ability to use the device as a PC are not supported, and direct OS updates from the vendor are not provided.

The Bison X20 is equipped with a 6000 mAh rechargeable battery that supports fast charging at 10W, and a battery level indicator is included to monitor remaining charge. The battery is not user-removable, and wireless charging is not supported.

The Bison X20 includes a built-in radio but lacks a 3.5mm headset jack and stereo speakers. None of the advanced Bluetooth audio codecs are supported, including aptX, aptX HD, aptX Adaptive, aptX Lossless, and LDAC.

The Bison X20 supports dual SIM cards and connects wirelessly via Wi-Fi 5 (802.11ac) and Wi-Fi 4, alongside Bluetooth 4.2 and NFC, though 5G is not available. Wired connectivity includes a USB Type-C port, and an external memory slot allows for storage expansion. LTE download and upload speeds reach 300 Mbits/s and 150 Mbits/s respectively. Location is handled by GPS with Galileo support, and the device also includes a compass and accelerometer, while a gyroscope, barometer, infrared sensor, and heart rate monitor are absent. A fingerprint scanner is present for biometric authentication, but 3D facial recognition and an iris scanner are not supported. Features such as ANT+, DLNA, HDMI output, satellite SOS, crash detection, motion tracking, optical tracking, and a built-in projector are all absent, and no stylus is included.

The Bison X20 includes a video light for illumination during video recording, while the display is flat rather than curved and uses neither sapphire glass nor an e-paper panel.