Doogee S100 Ultra specifications and in-depth review

Doogee S100 Ultra

Manufacturer: Doogee

The Doogee S100 Ultra is a rugged smartphone built for demanding conditions, carrying an IP68 rating and a reinforced design that weighs 400 g with dimensions of 178.5 x 83.1 x 27.3 mm. It runs Android 12 and centers its feature set around endurance and durability, with a 22000 mAh battery backed by 66W wired fast charging and 15W wireless charging, making long-term use between charges a core part of its proposition.

The device is powered by the MediaTek Helio G99 chipset built on a 6 nm process, paired with 12 GB of LPDDR4 RAM running at 4266 MHz and 256 GB of internal storage, with a Geekbench 6 multi-core score of 1979. Its 6.58-inch IPS LCD delivers a 1080 x 2408 px resolution at 401 ppi with a 120 Hz refresh rate, while the triple rear camera system leads with a 108 MP main sensor, supplemented by 20 MP and 16 MP lenses, and records video at 1440p at 30 fps. Connectivity includes Wi-Fi 6, Bluetooth 5.0, NFC, dual SIM support, and GPS with Galileo, though 5G is not supported.

Pros
  • The 22000 mAh battery offers substantial capacity for extended use, supported by 66W wired fast charging and 15W wireless charging, with a charger included in the box
  • IP68 waterproof rating combined with a rugged build makes it suited for demanding environments where water and dust exposure are likely
  • The 108 MP triple rear camera system includes phase-detection autofocus, continuous autofocus during video, slow-motion recording, and a broad set of manual controls covering exposure, ISO, focus, and white balance
  • The 6.58-inch IPS LCD delivers a 401 ppi pixel density and a 120Hz refresh rate, providing smooth and sharp visual output
  • Wi-Fi 6 support alongside NFC, Bluetooth 5.0, dual SIM, expandable storage, and GPS with Galileo makes for a well-rounded connectivity setup
  • 12 GB of RAM paired with 256 GB of internal storage provides a solid foundation for handling multiple tasks and storing large amounts of data
Cons
  • At 400 g in weight and 27.3 mm in thickness, the device is notably heavy and bulky, which may affect day-to-day handling comfort
  • 5G connectivity is absent, limiting cellular data speeds on modern networks
  • No 3.5 mm headphone jack and no stereo speakers significantly restrict wired and spatial audio options
  • The display lacks HDR10, HDR10+, and Dolby Vision support, reducing compatibility with high dynamic range content
  • Optical image stabilization is not included, which can affect the steadiness of photos and videos captured in motion
  • The USB port is limited to USB 2.0 despite using a Type-C connector, restricting wired data transfer speeds
Who is this for?

This device is well-suited for users who work or spend time in rugged, outdoor, or physically demanding environments, as the IP68 waterproof rating and reinforced build provide reliable protection against water and dust. The enormous 22000 mAh battery makes it a practical choice for those who need extended runtime without frequent access to charging points, such as field workers, travelers, or anyone regularly away from power sources. The triple rear camera with broad manual controls and the 120Hz IPS display also make it a reasonable fit for users who want hands-on control over photography in challenging conditions.

Who is this NOT for?

Users who prioritize slim, lightweight, and pocketable devices will find the 400 g weight and 27.3 mm thickness uncomfortable for extended daily carry. Those who rely on fast cellular connectivity will be limited by the absence of 5G support, making it a poor fit for users in areas where modern network speeds are a priority. The lack of a 3.5 mm headphone jack, stereo speakers, and any high-quality Bluetooth audio codecs also makes it unsuitable for users who place significant importance on audio quality, whether for media consumption or communication.

Design:

water resistance Waterproof
weight 400 g
thickness 27.3 mm
width 83.1 mm
height 178.5 mm
volume 404.950455 cm³
Ingress Protection (IP) rating IP68
has a rugged build
can be folded

The Doogee S100 Ultra features a rugged build rated at IP68, confirming full waterproof protection against dust and water ingress. It measures 178.5 mm in height, 83.1 mm in width, and 27.3 mm in thickness, with a total volume of approximately 404.95 cm³. The device weighs 400 g and does not support a folding form factor.

Display:

Display type LCD, IPS
screen size 6.58"
pixel density 401 ppi
resolution 1080 x 2408 px
refresh rate 120Hz
has branded damage-resistant glass
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

The Doogee S100 Ultra uses an IPS LCD touchscreen measuring 6.58 inches, delivering a resolution of 1080 x 2408 px at a pixel density of 401 ppi. It supports a 120Hz refresh rate for smoother motion and is protected by branded damage-resistant glass. The display does not support HDR10, HDR10+, Dolby Vision, or Always-On Display functionality, and there is no secondary screen included.

Performance:

internal storage 256GB
RAM 12GB
Chipset (SoC) name Mediatek Helio G99
GPU name Mali G57
CPU speed 2 x 2.2 & 6 x 2 GHz
Geekbench 6 result (multi) 1979
Geekbench 6 result (single) 729
GPU clock speed 950 MHz
Has integrated LTE
RAM speed 4266 MHz
semiconductor size 6 nm
Supports 64-bit
DirectX version DirectX 11
Has integrated graphics
OpenGL ES version 3.2
Uses big.LITTLE technology
CPU threads 8 threads
Uses HMP
Has TrustZone
maximum memory bandwidth 17.1 GB/s
OpenCL version 2
memory channels 2
eMMC version 5.2
maximum memory amount 12GB
CPU temperature 95 °C
GPU turbo 2133 MHz
Thermal Design Power (TDP) 5W
DDR memory version 4
shading units 32
supported displays 2

The Doogee S100 Ultra is driven by the MediaTek Helio G99 chipset, built on a 6 nm process with an octa-core CPU configuration running at 2 x 2.2 GHz and 6 x 2 GHz, supported by 8 threads, big.LITTLE technology, and Heterogeneous Multi-Processing (HMP). It is paired with 12 GB of LPDDR4 RAM at 4266 MHz across 2 memory channels, offering a maximum memory bandwidth of 17.1 GB/s and storage via eMMC 5.2 at 256 GB capacity. Graphics are handled by the Mali G57 GPU clocked at 950 MHz with a turbo frequency of 2133 MHz, 32 shading units, and support for up to 2 displays, DirectX 11, OpenGL ES 3.2, and OpenCL 2.0. The chipset includes integrated LTE, TrustZone security, and 64-bit support, with a thermal design power of 5W and a rated CPU temperature ceiling of 95 °C. Geekbench 6 results come in at 729 for single-core and 1979 for multi-core performance.

Cameras:

megapixels (main camera) 108 & 20 & 16 MP
wide aperture (main camera) 1.8 & 1.8 & 2.2f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 16MP
has built-in optical image stabilization
video recording (main camera) 1440 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 2
has a BSI sensor
has a CMOS sensor
has continuous autofocus when recording movies
Has phase-detection autofocus for photos
supports slow-motion video recording
has a built-in HDR mode
has manual exposure
has a flash
optical zoom 0x
has manual ISO
has a serial shot mode
has manual focus
has a front camera
Shoots 360° panorama
has manual white balance
shoots raw
has touch autofocus
has manual shutter speed
can create panoramas in-camera
wide aperture (front camera) 2f
Has a front-facing LED flash
has a dual-lens (or multi-lens) front camera
supports HDR10 recording
supports Dolby Vision recording
has a front-facing camera under the display
Has a RGB LED flash
has 3D photo/video recording capabilities

The Doogee S100 Ultra features a triple rear camera system led by a 108 MP main sensor at f/1.8, accompanied by a 20 MP lens at f/1.8 and a 16 MP lens at f/2.2, all using CMOS sensors without back-side illumination or optical image stabilization. Video recording reaches up to 1440p at 30 fps, with support for slow-motion recording, continuous autofocus during video, and phase-detection autofocus for stills. Manual controls cover exposure, ISO, focus, and white balance, while additional shooting modes include HDR, burst, touch autofocus, and in-camera panorama, though 360-degree panorama, RAW capture, manual shutter speed, HDR10 recording, and Dolby Vision recording are not supported. The rear flash uses a dual-tone LED setup with two LEDs, but there is no RGB flash. On the front, a single 16 MP camera sits at f/2.0 without a front-facing flash, a secondary lens, or an under-display placement.

Operating system:

Android version Android 12
has clipboard warnings
has location privacy options
has camera/microphone privacy options
has Mail Privacy Protection
has theme customization
can block app tracking
blocks cross-site tracking
has on-device machine learning
has notification permissions
has media picker
Can play games while they download
has dark mode
has Wi-Fi password sharing
has battery health check
has an extra dim mode
has focus modes
has dynamic theming
can offload apps
Has customizable notifications
has Live Text
has full-page screenshots
supports split screen
gets direct OS updates
has PiP
Can be used as a PC
Has sharing intents
has a child lock
Supports widgets
Is free and open source
Has offline voice recognition
has voice commands
Tracks the current position of a mobile device
is a multi-user system
has Quick Start

The Doogee S100 Ultra runs Android 12, an open-source platform that supports multi-user accounts, voice commands, offline voice recognition, on-device machine learning, and device position tracking. On the privacy side, it offers clipboard warnings, location privacy controls, and camera and microphone access management, though Mail Privacy Protection and cross-site tracking blocking are not included. The interface supports dark mode, dynamic theming, theme customization, an extra dim mode, customizable notifications, widgets, sharing intents, split-screen multitasking, Picture-in-Picture, full-page screenshots, live text selection from images, a child lock, and the ability to play games while they download. Features absent from the software include focus modes, a media picker, Wi-Fi password sharing, battery health check, app offloading, Quick Start, and the ability to function as a PC; direct OS updates from the vendor are also not provided.

Battery:

battery power 22000 mAh
has wireless charging
Supports fast charging
charging speed 66W
wireless charging speed 15W
has reverse wireless charging
comes with a charger
has a removable battery
has a battery level indicator
has a rechargeable battery

The Doogee S100 Ultra houses a 22000 mAh rechargeable battery with a built-in level indicator, and a charger is included in the box. It supports 66W wired fast charging as well as 15W wireless charging, though reverse wireless charging is not available. The battery is not removable.

Audio:

has a socket for a 3.5 mm audio jack
has stereo speakers
has aptX
has LDAC
has aptX HD
has aptX Adaptive
has aptX Lossless
Has a radio

The Doogee S100 Ultra has a notably limited audio feature set. It does not include a 3.5 mm headphone jack, stereo speakers, or a built-in radio. On the wireless audio side, none of the high-quality Bluetooth codec standards are supported, including aptX, aptX HD, aptX Adaptive, aptX Lossless, or LDAC.

Connectivity & Features:

has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
SIM cards 2 SIM
Bluetooth version 5
has an external memory slot
Has USB Type-C
USB version 2
has NFC
download speed 650 MBits/s
upload speed 150 MBits/s
Has a fingerprint scanner
has emergency SOS via satellite
has crash detection
is DLNA-certified
has a gyroscope
supports ANT+
Has a heart rate monitor
has GPS
has a compass
supports Wi-Fi
Has an infrared sensor
has an accelerometer
has a cellular module
Has a barometer
has an HDMI output
Uses 3D facial recognition
Has an iris scanner
Stylus included
supports Galileo
Has motion tracking
Has optical tracking
Has a built-in projector

The Doogee S100 Ultra supports dual SIM cards and connects wirelessly via Wi-Fi 4, Wi-Fi 5, and Wi-Fi 6 (802.11n/ac/ax), Bluetooth 5.0, and NFC, with cellular download speeds reaching 650 Mbits/s and upload speeds of 150 Mbits/s, though 5G is not supported. The device uses a USB Type-C port running USB 2.0 and includes an external memory slot for expandable storage. For navigation and positioning, it features GPS with Galileo support, a compass, a gyroscope, and an accelerometer, while a fingerprint scanner handles biometric authentication — 3D facial recognition and an iris scanner are not present. Features absent from the device include an infrared sensor, barometer, heart rate monitor, ANT+ support, HDMI output, DLNA certification, satellite SOS, crash detection, motion tracking, optical tracking, and a built-in projector, and no stylus is included.

Miscellaneous:

has a video light
Has sapphire glass display
Has a curved display
Has an e-paper display

The Doogee S100 Ultra includes a video light for illumination during video recording. The display is flat rather than curved, and neither sapphire glass nor an e-paper panel is used.

Final Verdict

The Doogee S100 Ultra is a device built around a clear and specific purpose: surviving tough conditions while lasting as long as possible between charges. Its IP68-rated rugged construction and 22000 mAh battery with 66W fast charging form the core of its identity, making it a credible choice for users whose daily environment demands durability and power endurance above all else. The triple rear camera system, 120Hz IPS display, and Wi-Fi 6 support round out a reasonably capable feature set, though the considerable bulk, lack of 5G, and limited audio options mean it asks for real compromises from anyone seeking a well-rounded everyday device. For users whose priorities align with its strengths, the S100 Ultra delivers on its core promise; for those outside that specific use case, its trade-offs are too significant to overlook.