Asus Zenfone 4 Pro ZS551KL

Release period: Oct 17
Announcement period: Aug 17
Screen & Resolution5.5 inches1080 x 1920 pixels
Camera8 MP
RAM6GB RAM
BatteryLi-Ion 3600 mAh

Technical Details

Network & Connectivity IconNetwork & Connectivity

Network Technologies
GSM / HSPA / LTE
2G Bands
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 800 / 850 / 900 / 1700 (AWS) / 1800 / 1900 / 2100
4G Bands
1, 2, 3, 4, 5, 7, 8, 17, 19, 20, 28, 38, 39, 40, 41
5G Bands
Info not available
Speed
HSPA 42.2(D)/5.76(U) Mbps, LTE (3CA) Cat12 600(D)/150(U) or 100 Mbps
Bluetooth
Bluetooth 5.0 with A2DP, EDR, LE & aptX
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-bands & Wi-Fi Direct
Infrared port
Yes
Satellite
No
NFC
Yes
SIM
Hybrid Dual SIM (Nano SIM, dual stand-by)

Audio IconAudio

3.5mm jack
Yes
Audio quality
Info not available
Radio
FM radio
Main speakers
dual speakers
Speaker output
Info not available
Audio support
24-bit/192kHz audio

Camera IconCamera

Back camera
12 MP, f/1.7, 25mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS | 16 MP, 50mm (telephoto), 1/3.1", 1.0µm, AF, 2x optical zoom
Features (Back Camera)
Laser AF, LED flash, HDR, panorama
Video (Back Camera)
4K@30fps with 1080p@30/60fps, 1080p@120fps & 720p@240fps
Front camera
8 MP, f/1.9, 22mm (wide), 1/3.2", 1.4µm, PDAF
Features (Front Camera)
HDR
Video (Front Camera)
1080p@30fps

Display IconDisplay

Protection (Display)
Corning Gorilla Glass 5
Brightness
Info not available
Contrast ratio
Info not available
EDGE screen
No
Resolution
1080 x 1920 pixels with 16:9 aspect ratio
Pixels per inch
401 ppi density
Screen size with aspect ratio
5.5 inches with 70.3% screen-to-body ratio
Display details
AMOLED
Always-on display
No

Body & Design IconBody & Design

Protection (Overall)
Glass front: Gorilla Glass 5, glass back: Gorilla Glass 5
IP ratings
Info not available
Frame
aluminum frame
Dimensions
156.9 x 75.6 x 7.6 mm
Models
Z01GD | Z01GS
Colours
Moonlight white & Pure Black
Weight
175 grams

Performance IconPerformance

CPU
Octa core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
CPU (Max frequency)
2.45 GHz
GPU
Adreno 540
Chip
Qualcomm MSM8998 Snapdragon 835 (10 nm)
Ram variants
6GB RAM
Internal Storage variants
64GB, 128GB
Card slot
microSDXC
Storage type
Info not available

Battery IconBattery

Battery
Li-Ion 3600 mAh
Charging & connectors
USB Type-C 2.0 with OTG
Charging speed
50% in 32 min
Charging
18W wired
Battery backup
Info not available

Software IconSoftware

OS
Android 7.1.1 - stock, upgradable to Android 8 - ZenUI 4
Max upgrades
Info not available

Other Features IconOther Features

Positioning/Navigation
GPS, GLONASS, BDS, GALILEO
SAR (Lower the better)
Info not available
Sensors
accelerometer, gyro, proximity, compass, color spectrum
Security & unlock
front mounted Fingerprint scanner
Stylus
No
AI features
Info not available
Other features
Info not available