Oukitel WP28 S specifications and in-depth review

Oukitel WP28 S

Manufacturer: Oukitel

The Oukitel WP28 S is a rugged smartphone built for demanding conditions, carrying an IP68 waterproof certification and a reinforced build that sets it apart from standard consumer handsets. Running Android 14, it packs a 10600 mAh battery with 18W fast charging included in the box, making it suited for extended use away from a power source. The device measures 174.2 x 82.3 x 17.4 mm and weighs 373 g, reflecting the bulk typical of phones designed to withstand harsh environments.

Under the hood, the WP28 S is powered by a Unisoc T606 chipset built on a 12 nm process, paired with 4 GB of RAM and 128 GB of internal storage. The 6.52-inch IPS LCD panel renders at 720 x 1600 px with a pixel density of 269 ppi and is protected by Gorilla Glass 5. Connectivity includes Bluetooth 5.0, NFC, dual SIM support, Wi-Fi 5, USB Type-C, and GPS with Galileo support. The main camera shoots at 13 MP with 1080p video at 30 fps, while a 5 MP front camera handles self-portraits.

Pros
  • IP68 waterproof rating combined with a rugged build makes it suitable for use in wet or harsh environments
  • The 10600 mAh battery with 18W fast charging and a bundled charger provides extended usage time and quicker top-ups
  • NFC support, dual SIM capability, and GPS with Galileo offer a practical set of everyday connectivity features
  • Gorilla Glass 5 protection adds a meaningful layer of resistance against screen damage
  • A broad set of manual camera controls — including ISO, exposure, focus, and white balance — gives users hands-on control over photography
  • Android 14 brings a range of privacy tools including clipboard warnings, location controls, and app tracking blocking
Cons
  • No 3.5 mm headphone jack and no stereo speakers limit audio versatility
  • At 373 g and 17.4 mm thick, the device is noticeably heavy and bulky for everyday carry
  • The 720 x 1600 px resolution results in a modest pixel density of 269 ppi for a 6.52-inch screen
  • Only 4 GB of RAM may restrict multitasking and the longevity of the device under heavier workloads
  • Wireless charging is not supported, which reduces charging flexibility
  • No gyroscope is present, limiting compatibility with motion-based applications and certain navigation features
Who is this for?

This device is well matched to users who need a phone that can withstand physically demanding conditions, thanks to its IP68 waterproof rating and rugged construction. Outdoor workers, hikers, or anyone regularly exposed to water, dust, or rough handling will find the reinforced build practical. The 10600 mAh battery makes it a solid fit for those who spend extended periods away from power sources, while dual SIM support and NFC add everyday utility for users who need flexible connectivity on the go.

Who is this NOT for?

Users who prioritize media consumption or visual quality will find the 720 x 1600 px display limiting, as the modest resolution and lack of HDR or Dolby Vision support reduce the viewing experience for video and streaming content. Those who rely on demanding apps or heavy multitasking may find 4 GB of RAM and the Unisoc T606 chipset insufficient over time. Additionally, the device's significant weight of 373 g and thickness of 17.4 mm make it a poor fit for users who prioritize a slim, lightweight phone for comfortable daily carry.

Design:

water resistance Waterproof
weight 373 g
thickness 17.4 mm
width 82.3 mm
height 174.2 mm
volume 249.457884 cm³
Ingress Protection (IP) rating IP68
has a rugged build
can be folded

The Oukitel WP28 S features a rugged, non-folding build with an IP68 ingress protection rating, confirming full waterproof capability. It measures 174.2 mm in height, 82.3 mm in width, and 17.4 mm in thickness, with a total volume of approximately 249.46 cm³. The device weighs 373 g, which is consistent with the reinforced construction typical of phones engineered to endure tough physical conditions.

Display:

Display type LCD, IPS
screen size 6.52"
pixel density 269 ppi
resolution 720 x 1600 px
has branded damage-resistant glass
Gorilla Glass version Gorilla Glass 5
supports HDR10
supports HDR10+
Always-On Display
supports Dolby Vision
Has a secondary screen
has a touch screen

The Oukitel WP28 S uses an IPS LCD touchscreen measuring 6.52 inches, delivering a resolution of 720 x 1600 px at a pixel density of 269 ppi. The display is protected by Gorilla Glass 5, offering resistance against everyday scratches and impacts. It does not support HDR10, HDR10+, or Dolby Vision, and there is no Always-On Display mode or secondary screen.

Performance:

internal storage 128GB
RAM 4GB
AnTuTu benchmark score 251500
Chipset (SoC) name Unisoc T606
GPU name Mali G57 MP1
CPU speed 2 x 1.6 & 6 x 1.6 GHz
Geekbench 6 result (multi) 1391
Geekbench 6 result (single) 371
Geekbench 5 result (multi) 1175
Geekbench 5 result (single) 313
GPU clock speed 650 MHz
Has integrated LTE
RAM speed 1600 MHz
semiconductor size 12 nm
Supports 64-bit
DirectX version DirectX 12
Has integrated graphics
OpenGL ES version 3.2
Uses big.LITTLE technology
CPU threads 8 threads
Uses HMP
Has TrustZone
maximum memory bandwidth 12.8 GB/s
OpenCL version 2
L2 cache 2 MB
eMMC version 5.1
L1 cache 128 KB
maximum memory amount 14GB
GPU execution units 1
GPU turbo 650 MHz
PassMark result 2663
Thermal Design Power (TDP) 10W
DDR memory version 4
PassMark result (single) 988
shading units 64
L3 cache 1 MB

The Oukitel WP28 S is driven by the Unisoc T606 chipset, built on a 12 nm process with an 8-thread CPU running at 2 x 1.6 GHz and 6 x 1.6 GHz, supported by big.LITTLE architecture and HMP for workload distribution. It comes with 4 GB of DDR4 RAM at 1600 MHz and 128 GB of eMMC 5.1 internal storage, with a maximum supported memory amount of 14 GB. Graphics are handled by the Mali G57 MP1 GPU clocked at 650 MHz with 64 shading units, supporting DirectX 12, OpenGL ES 3.2, and OpenCL 2.0. The chipset includes integrated LTE and TrustZone security, and carries a maximum memory bandwidth of 12.8 GB/s alongside L1, L2, and L3 caches of 128 KB, 2 MB, and 1 MB respectively. Benchmark results include an AnTuTu score of 251,500, a Geekbench 6 multi-core score of 1,391, and a PassMark result of 2,663, with a TDP of 10W.

Cameras:

megapixels (main camera) 13 MP
wide aperture (main camera) 2.2f
Has a dual-lens (or multi-lens) main camera
megapixels (front camera) 5MP
has built-in optical image stabilization
video recording (main camera) 1080 x 30 fps
Has a dual-tone LED flash
number of flash LEDs 1
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
Has laser autofocus
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) 2.2f
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 Oukitel WP28 S features a single-lens 13 MP rear camera with an f/2.2 aperture and a CMOS sensor, capable of recording video at 1080p and 30 fps with continuous autofocus during recording. It supports phase-detection autofocus, touch autofocus, HDR mode, burst shooting, panorama, slow-motion video, and a range of manual controls including exposure, ISO, focus, and white balance, though optical image stabilization, optical zoom, laser autofocus, manual shutter speed, and RAW capture are not available. The rear camera is backed by a single LED flash, with no dual-tone or RGB flash present. On the front, a 5 MP camera with an f/2.2 aperture handles selfies, though it lacks a front-facing flash and is not housed under the display. Neither HDR10 nor Dolby Vision recording is supported, and 3D or 360-degree capture is absent from both cameras.

Operating system:

Android version Android 14
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 Oukitel WP28 S runs Android 14, an open-source platform that supports multi-user operation, split-screen multitasking, Picture-in-Picture, widgets, dynamic theming, dark mode, and theme customization. Privacy features include clipboard warnings, location privacy options, camera and microphone access controls, and the ability to block app tracking, though cross-site tracking blocking and Mail Privacy Protection are absent. The OS offers customizable notifications, a media picker, full-page screenshots, Live Text, an extra dim mode, battery health check, offline voice recognition, voice commands, and device position tracking. Games can be played while downloading, and on-device machine learning is supported. Wi-Fi password sharing, focus modes, app offloading, Quick Start, and the ability to use the device as a PC are not available, and the device does not receive direct OS updates from the vendor.

Battery:

battery power 10600 mAh
has wireless charging
Supports fast charging
charging speed 18W
comes with a charger
has a removable battery
has a battery level indicator
has a rechargeable battery

The Oukitel WP28 S houses a 10600 mAh rechargeable battery with a built-in level indicator, and comes bundled with a charger in the box. It supports 18W fast charging, though wireless charging is not available. The battery is sealed and non-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 Oukitel WP28 S includes a built-in radio but omits a 3.5 mm headphone jack and stereo speakers. On the wireless audio side, none of the high-quality Bluetooth codecs are supported, with aptX, aptX HD, aptX Adaptive, aptX Lossless, and LDAC all absent.

Connectivity & Features:

has 5G support
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
SIM cards 2 SIM
Bluetooth version 5
Has USB Type-C
USB version 2
has NFC
download speed 300 MBits/s
upload speed 100 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 Oukitel WP28 S supports dual SIM cards and connects via Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), Bluetooth 5.0, and NFC, while 5G is not available. Wired connectivity is handled through a USB Type-C port running USB 2.0, with download and upload speeds reaching 300 Mbits/s and 100 Mbits/s respectively; HDMI output is not present. Location is covered by GPS with Galileo support, and onboard sensors include an accelerometer and compass, while a gyroscope, barometer, infrared sensor, and heart rate monitor are all absent. The device includes a fingerprint scanner for biometric authentication, but does not support 3D facial recognition, an iris scanner, ANT+, DLNA, motion or optical tracking, crash detection, satellite SOS, or 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 Oukitel WP28 S features a video light for use during video recording, while the display is flat and conventional — neither curved nor based on e-paper technology. The screen does not use sapphire glass.

Final Verdict

The Oukitel WP28 S is a purpose-built rugged smartphone that makes a clear case for users who prioritize durability and endurance over sleekness. Its IP68-rated waterproof construction and massive 10600 mAh battery with 18W fast charging are its most compelling attributes, making it a dependable choice for those who work or spend time in demanding environments. That said, the modest display resolution, limited RAM, and considerable bulk mean it is not a well-rounded device for general-purpose users. The WP28 S is best understood as a specialized tool — one that delivers where ruggedness and battery longevity matter most, and accepts trade-offs in areas like display quality and ergonomics to do so.

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