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Asus Zenfone 4 Pro ZS551KL

Asus Zenfone 4 Pro ZS551KL
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SKU: Asus-Zenfone-4-Pro-ZS551KL
Brand: Asus
Category: Mobiles
  • : 6GB RAM Snapdragon 835
  • : 5.5" 1080x1920 pixels
  • : 3600mAh 18W
  • : 16MP 2160p

Our Rating

The overall rating is based on review by our experts

5.5
  • Battery 6 / 10
  • Design 5 / 10
  • Display 6 / 10
  • Performance 5 / 10

The Asus Zenfone 4 Pro ZS551KL delivers a powerful combination of premium design, exceptional camera capabilities, and smooth performance.

Capture Breathtaking Photos: The Zenfone 4 Pro boasts a dual-camera system featuring a 12MP main camera with a Sony IMX362 sensor and a bright f/1.7 aperture lens. This combination allows you to capture crisp, clear photos even in low-light conditions. Plus, the 10x total zoom capability lets you get close to distant subjects without sacrificing quality.

Powerful Performance: Equipped with a Qualcomm Snapdragon 835 processor and 6GB of RAM, the Zenfone 4 Pro tackles demanding applications and games with ease. Experience smooth multitasking and enjoy a lag-free user experience.

Immersive Display: The phone’s 5.5-inch Full HD AMOLED display delivers stunning visuals for your photos, videos, and games.

All-Day Battery Life: The Zenfone 4 Pro packs a 3600mAh battery that keeps you powered throughout the day.

Additional Features:

  • Dual SIM support for added flexibility
  • Fast and reliable connectivity with Cat 12 LTE and dual-band Wi-Fi
  • Expandable storage with a microSD card slot
  • Sleek and stylish design

The Asus Zenfone 4 Pro ZS551KL is a perfect choice for users who prioritize exceptional camera performance, powerful processing, and a long-lasting battery.

Explore all products of Asus. also visit it official website.

Specs

Network

2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM) CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G Network 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 August, 2024
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
SIMs SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. Hybrid Dual SIM (Nano-SIM, dual stand-by)

Display

Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) 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 Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. Corning Gorilla Glass 5

PLATFORM

Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. Qualcomm MSM8998 Snapdragon 835 (10 nm)
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. Adreno 540

MEMORY

Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM

MAIN CAMERA

Cameras Specs Today’s smartphones come equipped with a very comprehensive set of camera related specifications. Our smartphone, for many of us, has become our primary camera due to it being the one we always have with us. 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
Video 4K@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
Camera Features LED flash, HDR, panorama

SELFIE CAMERA

Cameras Specs Today’s smartphones come equipped with a very comprehensive set of camera related specifications. Our smartphone, for many of us, has become our primary camera due to it being the one we always have with us. 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
Positioning GPS, GLONASS, BDS, GALILEO
Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. 5.0, A2DP, EDR, LE, aptX
Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range.
USB USB Type-C 2.0, OTG
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Radio

Features

Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device. Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, color spectrum

BATTERY

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. Li-Ion (Lithium Ion)
Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. 3600 mAh
Placement non-removable
Charging The functionality responsible for recharging batteries in portable devices, such as mobile phones, significantly influences both battery lifespan and the practicality of daily product usage. The charging process, encompassing factors like voltage, current, and completion actions, is contingent upon the battery's size and type. Contemporary battery chargers dynamically adjust charging parameters based on the battery's current charging state. Charging an empty battery poses no safety risk, allowing for a quicker charging process. Consequently, many charging speed benchmarks, including ours, specify the battery level achieved after a 30-minute session on an empty battery. Standard chargers with a power output of 5V/1A, equivalent to 5W, serve as a baseline, with anything surpassing this speed classified as quick or fast charging. 18W wired, 50% in 32 min (advertised)

MISC

Colors Moonlight white, Pure Black
Model Z01GD, Z01GS
Price About 350 EUR

TESTS

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  • What about battery life, while calling, listening music, watching videos, playing games and doing other tasks.
    6
  • What do you feel about Design and build quality of this device?
    5
  • Screen size, image quality (brightness, colors, contrast, etc), visibility in sun light, angles of view and touchscreen.
    6
  • Is this device perform good while watching videos, playing games, taking snapshots, browsing internet and navigate through other applications?
    5
  • 6 / 10 based on your selection

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