4G
AMOLED
Smartphone
Asus ZenFone 4 Pro Dual SIM TD-LTE AM ZS551KL 64GB
Asus · Announced Aug 2017
About Asus ZenFone 4 Pro
The Asus ZenFone 4 Pro is built as a slim and relatively light Android phone with a compact footprint for its time. It measures 75.60 x 156.90 x 7.60 mm and weighs 175 g, giving it a slender profile that sits comfortably in hand while keeping the overall dimensions modest.
The handset uses a 5.47-inch Color AM-OLED display with a 1080x1920 resolution. It ships with Google Android 7.1.1 Nougat and 6.00 GiB of RAM, and is configured for single SIM use. Power is provided by a 3600 mAh battery.
Technical Specifications
Display
Size
5.47 inch
Type
Color AM-OLED display
Resolution
1080x1920
Color depth
24-bit, 8-bit HDR
Screen-to-body
69.6%
Active area
68.15 × 121.15 mm
Touch
Capacitive multi-touch sensing screen, 10-point
Performance
Processor
Snapdragon 835
CPU
Octa-core, up to 2.5 GHz
GPU
Qualcomm Adreno 540
Process
10 nm
Platform
Google Android
Memory
RAM
6 GiB
Battery
Capacity
3600 mAh
Type
Lithium-ion polymer (LiPo)
Cameras
Main
3928×2944 · 2× optical
visibility
Megapixels
11.6
Aperture
ƒ/1.7
Focal length
25 mm
Sensor
Sony IMX362 · BSI CMOS
Pixel size
1.4 µm
Focus
Contrast Detection Autofocus (CD AF), Phase-Detection Autofocus (PD AF), Laser Autofocus
Flash
dual LED
Stabilization
OIS, EIS
Formats
JPG, RAW
Features
Video Stabilizer (EIS), Optical Image Stabilization (OIS), HDR photo, HDR video, Red-eye effect reduction, Slow motion video, Burst mode, Touch focus, Macro mode, Panorama Photo, +5 more
Telephoto
50 mm
visibility
Focal length
50 mm
Front
3264×2448
visibility
Megapixels
8
Focal length
22 mm
Sensor
Sony IMX319 · CMOS
Pixel size
1.4 µm
Focus
Phase-Detection Autofocus (PD AF)
Stabilization
EIS
Formats
JPG, PNG
Features
Electronic Image Stabilizer (EIS), HDR photo, HDR video, Burst mode, Touch focus, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, +1 more
Dimensions
Size
75.6 × 156.9 × 7.6 mm
Weight
175 g
Connectivity
Wi-Fi
Wi-Fi 5
Wi-Fi services
Wi-Fi Direct
Bluetooth profiles
A2DP, A2DP with aptX codec, AVRCP, DIP, GAP, GAVDP, HFP, HID, HSP, MAP, OPP, PAN, SPP
USB
USB Type-C reversible
USB services
USB charging, USB fast charging, USB Host, USB On-The-Go 1.3, USB On-The-Go 2.0, USB Power Delivery
NFC
NFC A, NFC B
GPS
GPS, GLONASS, Galileo, BeiDou
GPS services
Simultaneous GPS (S-GPS), Assisted GPS, Geotagging, QuickGPS
FM radio
Yes
LTE · 16 bandsTD-LTE · 4 bandsUMTS · 8 bandsGSM · 4 bands
All LTE bands (16)
- LTE 1700/2100 MHz (Band 4, AWS)
- LTE 1800 MHz (Band 3)
- LTE 1900 MHz (Band 2, PCS)
- LTE 2100 MHz (Band 1)
- LTE 2300 MHz (Band 30)
- LTE 2600 MHz (Band 7)
- LTE 700 MHz (Band 12)
- LTE 700 MHz (Band 17)
- LTE 700 MHz (Band 28)
- LTE 700 MHz (Band 29)
- LTE 800 MHz (Band 18)
- LTE 800 MHz (Band 19)
- LTE 800 MHz (Band 20)
- LTE 850 MHz (Band 26)
- LTE 850 MHz (Band 5)
- LTE 900 MHz (Band 8)
All TD-LTE bands (4)
- TD-LTE 1900 MHz (Band 39)
- TD-LTE 2500 MHz (Band XLI)
- TD-LTE 2500 MHz (Band XLI) bands
- TD-LTE 2600 MHz (Band 38)
All UMTS bands (8)
- UMTS 1700/2100MHz (Band IV, AWS)
- UMTS 1800MHz (Band III)
- UMTS 1900MHz (Band II, PCS)
- UMTS 2100MHz (Band I, IMT)
- UMTS 800MHz (Band VI)
- UMTS 800MHz (Band XIX)
- UMTS 850MHz (Band V, CLR)
- UMTS 900MHz (Band VIII)
All GSM bands (4)
- GSM 1800MHz (B3)
- GSM 1900MHz (PCS, B2)
- GSM 850MHz (B5)
- GSM 900MHz (B8)
Audio
Channels
8
Output
3.5mm
DAC
24-bit / 192 kHz
Sensors
Sensors
Accelerometer, Compass, Fingerprint sensor, Gyroscope, Light intensity sensor, Proximity sensor, Step counter
Features
Fingerprint
Yes (fingerprint sensor)
SIM
Nano-SIM (4FF) · Dual standby
Markets
North America (NA) (Brazil, Canada, Colombia, USA)
Extras
Haptic touch feedback
Software extras
Voice Command, Navigation software, Intelligent personal assistant
Regulatory
Data status
Preliminary
Model Variants
3 other phones with the same base model: Asus ZenFone 4 Pro
Live Contract Deals
Placeholder
Deals integration coming soon