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Asus · Phones · 924 views

Asus Zenfone 4 Pro ZS551KL

8.9/ 10

Updated Nov 2019

Announced 2017Available
  • Network
    LTE / HSPA / GSM
  • Display
    5.5 inches · 1080×1920
  • Camera
    12 MP
  • Memory
    6 GB RAM
  • Battery
    3600 mAh
  • OS
    Android 7.1

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The Asus Zenfone 4 Pro ZS551KL is a smartphone announced 2017. Key specs include a 5.5 inches display, 6 GB RAM, up to 64GB storage, a Qualcomm MSM8998 Snapdragon 835 chipset, a 3600 mAh battery, and runs Android 7.1. AppsApk rates the Asus Zenfone 4 Pro ZS551KL at 8.9 out of 10.

Rating breakdown

Editorial scores per criterion (out of 10).

features
9.0
performance
9.0
connectivity
9.0
display
9.0
design
9.0
camera
8.0
battery
9.0

Full specifications

NETWORK
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bandsLTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
SpeedHSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat12 600/150 or 100 Mbps
LAUNCH
Announced2017, August
StatusAvailable. Released 2017, October
BODY
Dimensions156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
Weight175 g (6.17 oz)
SIMHybrid Dual SIM (Nano-SIM, dual stand-by)
BuildFront/back glass (Gorilla Glass 5) & aluminum frame
DISPLAY
TypeAMOLED capacitive touchscreen, 16M colors
Size5.5 inches, 83.4 cm2 (~70.3% screen-to-body ratio)
Resolution1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
ProtectionCorning Gorilla Glass 5
PLATFORM
OSAndroid 7.1.1 (Nougat), upgradable to Android 8 (Oreo); ZenUI 4
ChipsetQualcomm MSM8998 Snapdragon 835 (10 nm)
CPUOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPUAdreno 540
MEMORY
Card slotmicroSD, up to 1 TB (uses shared SIM slot)
Internal64GB 6GB RAM, 128GB 6GB RAM
MAIN CAMERA
Dual12 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";
SELFIE CAMERA
Single8 MP, f/1.9, 1/3.2", 22mm (wide), 1.4µm, PDAF"
SOUND
LoudspeakerYes, dual speakers
3.5mm jackYes 24-bit/192kHz audio DTS sound Active noise cancellation with dedicated mic
COMMS
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, EDR, LE, aptX
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
USBType-C 1.0 reversible connector
RadioFM radio
Infrared portYes
NFCYes
FEATURES
SensorsFingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum
BATTERY
ChargingFast battery charging 18W: 50% in 32 min
Battery TypeNon-removable Li-Ion 3600 mAh battery
MISC
ColorsMoonlight white, Pure Black
ModelsZ01GD
PriceAbout 550 USD

● Questions about this phone

When was the Asus Zenfone 4 Pro ZS551KL released?
The Asus Zenfone 4 Pro ZS551KL was announced 2017, August.
What is the Asus Zenfone 4 Pro ZS551KL's display size?
The Asus Zenfone 4 Pro ZS551KL has a 5.5 inches display with 1080 x 1920 pixels resolution.
How much RAM does the Asus Zenfone 4 Pro ZS551KL have?
The Asus Zenfone 4 Pro ZS551KL comes with 6 GB of RAM.
How much storage does the Asus Zenfone 4 Pro ZS551KL have?
The Asus Zenfone 4 Pro ZS551KL is available with 64GB / 6GB / 128GB of internal storage.
What camera does the Asus Zenfone 4 Pro ZS551KL have?
The Asus Zenfone 4 Pro ZS551KL features a 12 MP main camera. Specifications: 12 MP.
What is the Asus Zenfone 4 Pro ZS551KL battery capacity?
The Asus Zenfone 4 Pro ZS551KL has a 3600 mAh battery.
Does the Asus Zenfone 4 Pro ZS551KL support 5G?
No, the Asus Zenfone 4 Pro ZS551KL does not support 5G. Supported network technologies: GSM / HSPA / LTE.
What operating system does the Asus Zenfone 4 Pro ZS551KL run?
The Asus Zenfone 4 Pro ZS551KL runs Android 7.1 (full: Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo)).
What is AppsApk's rating for the Asus Zenfone 4 Pro ZS551KL?
AppsApk's editorial team rates the Asus Zenfone 4 Pro ZS551KL at 8.9 out of 10 based on design, display, battery, camera, features, connectivity, and performance.

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