Manual of product ZenFone 4 Pro ZS551KL
Editorial note
The Asus ZenFone 4 Pro ZS551KL is a smartphone that stands out for several positive features. Its 5.5-inch AMOLED display offers a Full HD resolution of 1920 x 1080 pixels, ensuring an immersive visual experience with vibrant colors and excellent contrast. The Qualcomm Snapdragon 835 octa-core processor provides fast and efficient performance, making multitasking smooth and enjoyable. Additionally, the 3600 mAh battery capacity allows for prolonged use, with an impressive talk time of 27.5 hours on 3G. However, some drawbacks are worth mentioning. The lack of a second screen may disappoint users looking for additional features to enhance their productivity. Furthermore, while the 12 MP rear camera with autofocus is satisfactory for everyday use, it may not meet the expectations of professional users seeking superior photographic performance. The Android 7.0 operating system, although effective, is relatively old and could pose compatibility issues with some recent applications. In terms of design, the ZenFone 4 Pro has a sleek look in Pure Black and weighs 175 g, making it easy to hold. However, some users may find this weight slightly heavy compared to other newer and lighter models. Finally, while the value for money is reasonable, the absence of features like FM radio and the presence of a somewhat outdated operating system may prompt buyers to explore other options on the market. Overall, the Asus ZenFone 4 Pro ZS551KL is a solid choice for those looking for a smartphone that offers good performance and a quality visual experience, while being aware of the limitations in terms of features and software updates.Score details
User experience
The user experience is generally positive thanks to the 5.5-inch AMOLED screen offering vibrant colors and excellent display quality for total immersion.
Performance
The Qualcomm Snapdragon 835 octa-core processor ensures fast and efficient performance for multitasking, although the Android 7.0 operating system is a bit outdated.
Battery life
The 3600 mAh battery capacity allows for prolonged use, but may be insufficient for heavy users.
camera
The 12 MP rear camera with autofocus captures quality photos, but may not satisfy professional users looking for high-level photographic performance.
Design
The sleek design in Pure Black and the lightweight construction of 175 g make it easy to hold and carry daily, although some may find the weight a bit heavy.
Features
Although the smartphone offers interesting features, the lack of a second screen and FM radio may disappoint some users.
Value for money
The value for money is reasonable, but some users may feel it lacks recent options compared to other models on the market.
Advantages
5.5-inch AMOLED display, Full HD resolution
Snapdragon 835 processor for fast performance
3600 mAh battery, guaranteed extended use
12 MP camera, good low-light photos
Bluetooth 5.0 and fast 4G compatibility
Sleek and lightweight design, easy to carry
Disadvantages
No second screen for productivity
Insufficient rear camera for professionals
Android 7.0, outdated operating system
Weight of 175 g considered too heavy
Disappointing lack of FM radio
Insufficient battery for heavy users
Technical Specifications ZenFone 4 Pro ZS551KL
General Information
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ModelZENFONE 4 PRO ZS551KL
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Brand
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Category
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Type
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SKU914624
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MPN914624
Screen
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Screen size5.5 "
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Screen resolution
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Screen shape1920 x 1080 pixels
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Second LCD screen
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Touch technologyCurved bezel screen
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Touch screen type
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Type of panelNo
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Multiple pressures
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Capacity
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AMOLED
Other features
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Touch screenYes
Detectors
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GyroscopeYes
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GyroscopeYes
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GyroscopeYes
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GyroscopeYes
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GyroscopeYes
Processor
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Processor frequency- GHz
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Processor familyQualcomm Snapdragon
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Processor model835
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Number of processor cores8
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64-bit computingYes
Storage support
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RAM capacity6 GB
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Internal storage capacity64 GB
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Type of RAMLPDDR4
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Compatible memory cardsMicroSD (TransFlash)
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Maximum memory card size2000 GB
Camera
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Rear camera typeDual camera
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Resolution of the rear camera (digital)12 MP
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Video recordingYes
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Video recordingYes
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Front camera typeSingle camera
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Front camera resolution (digital)8 MP
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Optical zoom2 x
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Maximum cadence30 fps
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Video recordingYes
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Video recording modes2160p
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Resolution of the second rear camera (digital)16 MP
Network
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SIM card capacityDual SIM
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Contactless paymentYes
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SIM card typeNanoSIM
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2G StandardsEDGE, GPRS, GSM
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3G StandardsWCDMA
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4G standardLTE
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Wifi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
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Contactless paymentYes
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Bluetooth model5.0
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Contactless paymentYes
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Contactless paymentYes
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Mobile network generation4G
Registration
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Registration typeWithout plan
Connectivity
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USB portYes
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Quantity of HDMI ports0
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USB connectorUSB Type-C
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Headset connection3.5 mm
Design
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FormatBar
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Product colorBlack
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Color namePure Black
Representation / realization
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Video callYes
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Video callYes
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Graphics adapterAdreno 540
Navigation
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Electronic compassYes
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Electronic compassYes
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Electronic compassYes
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Electronic compassYes
Multimedia
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FM RadioYes
Software
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Installed operating systemAndroid 7.0
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PlatformAndroid
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Application distribution platformGoogle Play
Battery
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Battery technology-
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Battery capacity3600 mAh
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Talk time (3G)27.5 h
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Waiting time (3G)- h
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Continuous video playback21 h
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Browsing duration (Wi-Fi)17 h
Weight and dimensions
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Weight175 g
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Width75.6 mm
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Depth7.6 mm
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Height156.9 mm
Packaging contents
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Headphones includedYes
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Headphones includedYes
Frequently Asked Questions
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Presentation of product ZenFone 4 Pro ZS551KL specifications from brand Asus
General Information
The Asus ZenFone 4 Pro ZS551KL is a smartphone from the renowned brand Asus, known for its innovation and quality in the technology sector. This model, identified by the reference ZenFone 4 Pro ZS551KL | ZS551KL-2A013WW, promises high-level performance and an enhanced user experience. The EAN code 4712900862188 allows for unique identification within the distribution network.
Screen
Equipped with a 5.5-inch AMOLED display, the ZenFone 4 Pro offers a Full HD resolution of 1920 x 1080 pixels, ensuring vibrant colors and exceptional display quality. The curved edge design maximizes visual immersion. Although it does not feature a second LCD screen, its multi-touch technology and capacitive screen guarantee smooth and precise interaction.
Other Features
This model includes a responsive touchscreen, facilitating the use of various applications.
Sensors
The ZenFone 4 Pro is equipped with several sensors, including an orientation sensor, a proximity sensor, an accelerometer, an ambient light sensor, and a gyroscope. These features allow for intuitive and adaptive use of the device in various contexts.
Processor
This smartphone is powered by a Qualcomm Snapdragon 835 processor with 8 cores, offering remarkable execution speed. It supports 64-bit computing architecture, ensuring optimal compatibility with modern applications.
Storage Support
The ZenFone 4 Pro has 6 GB of RAM and an internal storage space of 64 GB, allowing for easy management of multiple applications and files. It is compatible with MicroSD (TransFlash) cards with a capacity of up to 2000 GB, providing expandable storage for demanding users.
Camera
The unique rear camera of 12 MP features autofocus and a flash, allowing for quality photos even in low light. The front camera, with a resolution of 8 MP, is ideal for selfies and video calls. The ZenFone 4 Pro also supports video recording in 2160p at 30 fps, ensuring smooth capture of memorable moments.
Network
This smartphone uses a single NanoSIM card and supports 2G, 3G, and 4G (LTE) standards, ensuring reliable connectivity. It is also equipped with Wi-Fi 802.11 a/b/g/n/ac, allowing for fast and stable connections. The 5.0 Bluetooth standard enables efficient wireless connectivity with other devices.
Subscription
The ZenFone 4 Pro is offered without a contract, providing usage flexibility without commitment.
Connectivity
It features a USB Type-C port for fast data transfer and efficient charging. Additionally, it is compatible with a 3.5 mm audio jack for headphones and other audio devices.
Design
The ZenFone 4 Pro showcases an elegant design in Pure Black, combining modern aesthetics and ergonomics, making it easy to handle with a weight of 175 g.
Representation / Performance
This model includes a fingerprint reader for quick and secure unlocking. It is also capable of handling video calls, offering an enhanced interactive experience thanks to its Adreno 540 graphics adapter.
Navigation
The smartphone is equipped with Assisted GPS (A-GPS) and GLONASS, allowing for precise location tracking. It also includes an electronic compass for reliable outdoor navigation.
Multimedia
The ZenFone 4 Pro does not have an FM radio, which may disappoint some users wishing to listen to live radio.
Software
Running on Android 7.0, it offers an intuitive user interface and access to a wide range of applications via the appropriate distribution platform.
Battery
Its 3600 mAh battery uses hybrid nickel-metal (NiMH) technology, ensuring sufficient autonomy for daily use. With a talk time of 27.5 hours on 3G and a video playback time of 21 hours, it allows for staying connected without frequent interruptions.
Weight and Dimensions
With a weight of 175 g, dimensions of 75.6 mm in width, 7.6 mm in depth, and 156.9 mm in height, the ZenFone 4 Pro is designed to fit comfortably in the hand and for daily use.
Package Contents
The product includes a warranty card for additional protection and a headset for immediate audio experience.
