Asus Zenfone 4 Pro ZS551KL

Network
Technology
GSM / HSPA / LTE

2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2

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 – Global, Taiwan

 
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 30, 38, 39, 41 – US, Canada, Brazil

 
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 30, 38, 39, 40, 41 – India

Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 or 100 Mbps

Launch
Announced
2017, August

Status
Available. Released 2017, October

Body
Dimensions
156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)

Weight
175 g (6.17 oz)

Build
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame

SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display
Type
AMOLED

Size
5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)

Resolution
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

Protection
Corning Gorilla Glass 5

Platform
OS
Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4

Chipset
Qualcomm MSM8998 Snapdragon 835 (10 nm)

CPU
Octa-core (4×2.45 GHz Kryo & 4×1.9 GHz Kryo)

GPU
Adreno 540

Memory
Card slot
microSDXC (uses shared SIM slot)

Internal
64GB 6GB RAM, 128GB 6GB RAM

Main Camera
Dual
12 MP, f/1.7, 25mm (wide), 1/2.55″, 1.4µm, dual pixel PDAF, Laser AF, 4-axis OIS
16 MP, 50mm (telephoto), 1/3.1″, 1.0µm, AF, 2x optical zoom

Features
LED flash, HDR, panorama

Video
4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps

Selfie camera
Single
8 MP, f/1.9, 22mm (wide), 1/3.2″, 1.4µm, PDAF

Features
HDR

Video
1080p@30fps

Sound
Loudspeaker
Yes, dual speakers

3.5mm jack
Yes

 24-bit/192kHz audio

Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth
5.0, A2DP, EDR, LE, aptX

Positioning
GPS, GLONASS, BDS, GALILEO

NFC
Yes

Infrared port
Yes

Radio
FM radio

USB
USB Type-C 2.0, OTG

Features
Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum

Battery
Type
Li-Ion 3600 mAh, non-removable

Charging
18W wired, 50% in 32 min (advertised)

Talk time
Up to 27 h 30 min (3G)

Misc
Colors
Moonlight white, Pure Black

Models
Z01GD, Z01GS

Price
About 350 EUR