Asus Zenfone 4 Pro ZS551KL

Specifications
Asus Zenfone 4 Pro ZS551KL
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  • 5.5" 1080x1920 pixels
  • 16MP 2160p
  • 6GB RAM Snapdragon 835
  • 3600mAh Li-Ion
Released 2017, October 175g, 7.6mm thickness Android 7.1.1, up to Android 8, ZenUI 4 64GB/128GB storage, microSDXC
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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-A (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 capacitive touchscreen, 16M colors
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 (4x2.45 GHz Kryo & 4x1.9 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, hotspot
Bluetooth 5.0, A2DP, EDR, LE, aptX
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO
NFC Yes
Infrared port Yes
Radio FM radio
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
Battery
  Non-removable Li-Ion 3600 mAh battery
Charging Fast charging 18W, 50% in 32 min (advertised)
Talk time Up to 27 h 30 min (3G)
Misc
Colors Moonlight white, Pure Black
Models Z01GD
Price About 350 EUR

User opinions and reviews

  • Viqo

It hasn't an ir port. There're 2 microphone on top. Nothing more

  • lionel

this phone is OTG compatible . you can find it on the official web site https://www.asus.com/fr/support/FAQ/1007467/ one of the best phone when see specification with Huawei mate 20 ( infrared stereo NFC )

  • Ciclista41

I absolutely agree! I didn't realize I needed that for ease of connection and more solid connections with MetroPCS, and I don't want to switch carriers. Considering another phone even though I really like this phone a lot!

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