ULEFONE

Ulefone RugKing 4 Pro rugged smartphone 8/256 GB Black

Display diagonal6.56″
Processor familyUnisoc
RAM typeLPDDR4X
Internal storage capacity256 GB
Graphics cardMali-G57
Battery technologyLithium-Ion (Li-Ion)

The Ulefone RugKing 4 Pro is a rugged Android 15 smartphone built for people who need their phone to keep up in tough conditions — on construction sites, hiking trails, or anywhere a standard handset wouldn't last the day. With IP68 and IP69K waterproofing plus MIL-STD-810H certification, it is engineered to survive submersion, drops, and extreme environments without skipping a beat.

Description

Real durability, real performance — nothing held back

Android 15 out of the box with a smooth 120 Hz LCD display on a 6.56-inch screen
256 GB storage and 8 GB RAM keep files, photos, and apps close at hand in the field
48 MP main camera captures detailed shots even in demanding outdoor lighting
4G connectivity with NanoSIM for reliable network access wherever work takes you
Corning Gorilla Glass 3 screen protection resists scratches and impact

A solid pick for tradespeople, outdoor enthusiasts, and anyone whose work environment puts ordinary smartphones at risk.

Specifications

General

Brand	ULEFONE
Form factor	Bar
Model name	RugKing 4 Pro
Product colour	Black
Repairability class	C
FM radio	Yes
Pedometer	Yes
Body SAR (EU)	0.165
Head SAR (EU)	0.165
Warranty card	Yes
Face detection	Yes
Position location	Yes
Quick start guide	Yes
Oleophobic coating	Yes
Gorilla Glass version	Gorilla Glass 3
Repeated free fall reliability class	A
EAN	6975326660914

Display

Display diagonal	6.56″
Display resolution	720 x 1612
Panel type	LCD
Display brightness	500 cd/m²
Maximum refresh rate	120 Hz
High Dynamic Range (HDR) supported	Yes
Screen shape	Flat
Display glass type	Gorilla Glass
Screen protector	Yes
Touchscreen type	Capacitive
Resolution at capture speed	1280x720@30fps/1920x1080@30fps/640x480@30fps

Processor

Processor family	Unisoc
Processor model	T7250
Processor cores	8
Processor frequency	1.6 GHz
Processor boost frequency	1.8 GHz
Processor architecture	ARM Cortex-A75+Cortex-A55

Memory

RAM type	LPDDR4X
RAM capacity	8

Storage

Internal storage capacity	256 GB
Compatible memory cards	MicroSD (TransFlash)
Maximum memory card size	2000 GB

Graphics

Graphics card	Mali-G57

Camera

Front camera resolution	1920 x 1080
Front camera resolution (numeric)	8 MP
Front camera type	Single camera
Rear camera type	Dual camera
Rear camera resolution (numeric)	48 MP
Rear camera aperture number	1.8
Panorama	Yes
Flash type	LED
Night mode	Yes
Portrait mode	Yes
Slow motion mode	Yes
Macro photography	Yes
Rear camera flash	Yes
Rear camera pixel size	0.8
Rear camera resolution	1920 x 1080
Front camera pixel size	1.12
Rear camera lens elements	6-element lens
Front camera lens elements	4-element lens
Front camera aperture number	2
Macro camera resolution (numeric)	2
Camera High Dynamic Range (HDR) mode	Yes
Rear camera field of view (FOV) angle	80.1
Front camera field of view (FOV) angle	78

Audio

Number of microphones	1
Speakers	Mono
Audio formats supported	AAC/AMR/FLAC/M4A/Mid/MKA/MP2/MP3/OGG

Ports

USB Type-C charging port	Yes
USB connector type	USB Type-C
USB version	2.0
SIM card type	NanoSIM
SIM card capability	Dual SIM
USB Type-C required charging power (max)	18 W
USB Type-C required charging power (min)	10

Connectivity

Wi-Fi standards	802.11a/802.11b/802.11g/Wi-Fi 4 (802.11n)/Wi-Fi 5 (802.11ac)
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
Bluetooth	Yes
Bluetooth version	5.2
Near Field Communication (NFC)	Yes
Mobile network generation	4G
4G standard	TD-LTE & FDD-LTE
GPS (satellite)	Yes
GLONASS	Yes
Galileo	Yes
BeiDou	Yes
3G standards	WCDMA
Voice over LTE (VoLTE) supported	Yes

Software & security

Operating system installed	Android 15
Platform	Android
Fingerprint reader	Yes
Fingerprint resistant	Yes

Keyboard & controls

Gesture sensor	Yes

Battery & power

Battery technology	Lithium-Ion (Li-Ion)
Battery capacity	10,200 Wh
Battery endurance per cycle	3750 h
Battery endurance in cycles	1000
Continuous video playback time	16 h
AC adapter included	Yes
Energy efficiency class	A
Talk time (4G)	52
Standby time (4G)	1428

Performance & capacities

Self-timer	Yes
Time lapse mode	Yes

Features

Cables included	USB Type-A to USB Type-C
International Protection (IP) code	IP68, IP69K
Protection features	Drop resistant/Dust resistant/Impact resistant/Scratch resistant/Splash proof/Waterproof
Waterproof up to	2 m
Accelerometer	Yes
Ambient light sensor	Yes
Proximity sensor	Yes
Electronic compass	Yes
Sensor type	CMOS
Gravity sensor	Yes
Geomagnetic sensor	Yes
Video formats supported	3GP/AVI/FLV/MKV/MP4