Manual of product S51HD
Editorial note
The Billow S51HD smartphone stands out for several notable advantages. Its 5-inch screen with a resolution of 1280 x 720 pixels provides a pleasant visual experience, although it may seem limited for demanding users. The ARM Cortex-A7 processor at 1.3 GHz with 4 cores allows for smooth execution of common applications while ensuring efficient multitasking management. The 2100 mAh battery is particularly appreciated, offering up to 21 hours of talk time on 2G, which ensures prolonged use without frequent recharging. Additionally, advanced connectivity features such as Wi-Fi and Bluetooth 4.0 enhance the user experience. However, the Billow S51HD also has some drawbacks. The internal storage capacity of only 8 GB may prove insufficient for users wishing to store numerous applications and multimedia files. The 1 GB of RAM could limit performance when using more demanding applications. Furthermore, the screen resolution, while adequate, does not meet current standards, which may disappoint some users. Finally, the use of Android 4.4, a relatively old version of the operating system, could restrict access to certain modern applications and features. In summary, the Billow S51HD offers good value for money with its interesting features and good battery life. However, the limitations in terms of storage and performance may affect the user experience, especially for those seeking a more powerful and cutting-edge device.Score details
User experience
The user experience is generally satisfactory, with a 5-inch screen offering pleasant display quality, although the resolution of 1280 x 720 pixels may seem limited compared to current standards.
Performance
The 1.3 GHz ARM Cortex-A7 processor with 4 cores allows for smooth application execution, but may not be sufficient for intensive tasks or recent games.
Battery life
The 2100 mAh battery offers an excellent talk time of 21 hours on 2G, ensuring prolonged use without frequent recharging.
Features
Advanced connectivity features, including Wi-Fi, Bluetooth 4.0, and tethering, enhance the user experience.
Value for money
With a competitive price, the Billow S51HD offers good value for money, although the 8 GB internal storage capacity may be insufficient for some users.
Usability
The Android 4.4 operating system allows for a smooth user experience, but its age may restrict access to certain modern applications.
Advantages
5-inch screen, resolution 1280 x 720 pixels
1.3 GHz quad-core ARM Cortex-A7 processor
Rear camera 8 MP, front 5 MP
2100 mAh battery, up to 21 hours of use
Connectivity Wi-Fi, Bluetooth 4.0, tethering
Android 4.4 system, access to Google Play Store
Disadvantages
Internal storage of only 8 GB
1 GB RAM limits performance
Screen resolution of 1280 x 720 pixels
1.3 GHz processor not powerful enough
Android 4.4, outdated version
Technical Specifications S51HD
General Information
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ModelS51HD
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Brand
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Category
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Type
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SKU751754
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MPN751754
Screen
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Screen size5 "
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Screen resolution
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Number of colors displayed1280 x 720 pixels
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Image format16.78 million colors
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Touch technology16:9
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Touch screen typeMultiple pressures
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Type of panelCapacity
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IPS
Other features
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Touch screenYes
Detectors
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AccelerometerYes
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AccelerometerYes
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AccelerometerYes
Processor
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Processor family-
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Processor model-
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Processor frequency1.3 GHz
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The architecture of the processorARM Cortex-A7
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Number of processor cores4
Messaging
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E-mailYes
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E-mailYes
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E-mailYes
Multimedia
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FM RadioYes
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Supported audio formatsAAC, AMR, MIDI, MP3, OGG, Vorbis, WAV
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Supported video format3GP, 3GPP, MP4
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Supported image formatsBMP, GIF, JPG, PNG
Call management
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Caller IDYes
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Caller IDYes
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Caller IDYes
Representation / realization
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Voice commandsYes
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Voice commandsYes
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Voice commandsYes
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Personal Information Management (PIM)Alarm clock
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Calculator
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Calendar
Storage support
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Internal storage capacity8 GB
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RAM capacity1 GB
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Compatible memory cardsMicroSD (TransFlash), MicroSDHC
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Maximum memory card size32 GB
Camera
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Auto focus-
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Resolution of the rear camera (digital)8 MP
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Rear camera flashYes
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White balanceAuto, Cloudy, Daylight, Fluorescent, Incandescent, Twilight
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Photographic effectsBlack&White, Negative film, Sepia
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Front camera resolution (digital)5 MP
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Flash typeLED
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Rear camera typeSingle camera
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Rear camera typeSingle camera
Battery
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Battery technologyLithium Polymer (LiPo)
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Battery capacity2100 mAh
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Talk time (2G)21 h
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Talk time (3G)14 h
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Waiting time (3G)- h
Network
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SIM card capacityDual SIM
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2G StandardsEDGE, GPRS, GSM
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SIM card typeMiniSIM + MicroSIM
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BluetoothYes
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3G StandardsHSDPA, HSPA+, HSUPA, WCDMA
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2G band (2nd SIM card)850,900,1800,1900 MHz
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2G band (2nd SIM card)850,900,1800,1900 MHz
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3G bands supported900,2100 MHz
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BluetoothYes
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BluetoothYes
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Bluetooth model4.0
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Mobile network generation3G
Connectivity
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USB portYes
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USB Version2.0
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Quantity of HDMI ports0
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Headset connection3.5 mm
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USB connectorMicro-USB
Weight and dimensions
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Weight154 g
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Width75 mm
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Depth9 mm
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Height145 mm
Design
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FormatBar
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Product colorBlack
Software
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Installed operating systemAndroid 4.4
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Support Google applications
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PlatformGmail, Google Calendar, Google Chrome, Google Contacts, Google Maps, Google Play
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Application distribution platform
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Android
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Google Play
Registration
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Registration typeWithout plan
Certificate
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DAS head (EU)0.32 W/kg
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DAS body (EU)0.52 W/kg
Packaging contents
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Power adapter includedYes
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Cables includedMicro-USB
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Power adapter includedYes
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Power adapter includedYes
Navigation
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Location of positionYes
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Location of positionYes
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Location of positionYes
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Location of positionYes
Frequently Asked Questions
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Presentation of product S51HD specifications from brand Billow
General Information
The Billow S51HD is a smartphone designed by the Billow brand, known for its commitment to quality and innovation in the electronics sector. This model, available under the references S51HD and S51HDB, ensures reliable performance and an optimized user experience. The associated EAN code for this product is 8435099519454, 8435099519461, 8435099519478, 8435099519485, allowing for precise identification in distribution systems.
Screen
The Billow S51HD features a 5-inch screen, offering a resolution of 1280 x 720 pixels, which allows for clear and pleasant viewing of content. With a palette of 16.78 million colors and an aspect ratio of 16:9, this screen promises an immersive experience. Its capacitive touch technology allows for precise interaction, enhanced by an IPS panel ensuring vibrant colors and excellent display quality.
Other Features
This smartphone is equipped with a touchscreen, providing an intuitive usage experience.
Sensors
The Billow S51HD integrates several sensors, including an orientation sensor to determine the device's position, a proximity sensor to detect nearby objects, and an accelerometer to measure movements, thus enabling practical features in various applications.
Processor
Its ARM Cortex-A7 processor operates at a frequency of 1.3 GHz and includes 4 cores, ensuring smooth execution of applications and efficient multitasking management. Although this model does not specify a processor family, its architecture is optimized for various applications.
Messaging
The Billow S51HD supports short messaging services (SMS) and MMS, facilitating the sending of text and multimedia messages. It also allows access to emails, ensuring quick and effective communication.
Multimedia
In terms of multimedia, the Billow S51HD does not support FM radio. However, it is compatible with several audio formats (AAC, AMR, MIDI, MP3, OGG, Vorbis, WAV) and video formats (3GP, 3GPP, MP4), offering an enriching listening and viewing experience. For images, it supports BMP, GIF, JPG, and PNG formats, ensuring optimal visual quality.
Call Management
The smartphone allows advanced call management features, such as call waiting and caller ID, thus ensuring a better user experience.
Representation / Realization
The Billow S51HD is equipped with a quality speaker, providing an immersive sound experience. It also includes a vibrating alert and voice commands for practical interaction. Personal information management (PIM) features such as alarms, a calculator, and a calendar are also integrated.
Storage Support
The model offers an internal storage capacity of 8 GB, sufficient for basic applications and files. Its 1 GB RAM ensures reasonable performance, although limited for more demanding applications. It accepts MicroSD and MicroSDHC memory cards up to 32 GB, allowing for expanded storage capacity.
Camera
The Billow S51HD is equipped with an 8 MP rear camera, ideal for capturing quality images. It features an LED flash for low-light shots and offers several white balance options for true-to-life photos. Its 5 MP front camera allows for clear selfies and video calls.
Battery
The smartphone uses a nickel-metal hybrid (NiMH) battery with a capacity of 2100 mAh, offering up to 21 hours of talk time on 2G, allowing for prolonged use without frequent recharging.
Network
The Billow S51HD uses MiniSIM and MicroSIM type SIM cards and supports 2G and 3G standards (HSDPA, HSUPA, WCDMA), ensuring effective mobile connectivity. It is also compatible with Wi-Fi and Bluetooth 4.0, facilitating wireless connections and data sharing.
Connectivity
The smartphone is equipped with a USB 2.0 port for quick connection with various devices. It also has a 3.5 mm headphone jack for use with many audio devices.
Weight and Dimensions
Weighing 154 g, the Billow S51HD is lightweight and easy to handle. Its dimensions of 75 mm in width, 9 mm in depth, and 145 mm in height make it a compact and practical device.
Design
The Billow S51HD features a bar-shaped design, with an elegant black color that gives it a modern look adaptable to various usage contexts.
Software
Running on Android 4.4, the Billow S51HD offers a smooth and intuitive user interface, compatible with many Google applications. The platform allows easy access to the Google Play Store for downloading and updating applications.
Registration
This model is offered without a plan, providing usage flexibility without commitment.
Certificate
The level of exposure to electromagnetic waves is 0.32 W/kg for the head and 0.52 W/kg for the body, ensuring user safety during device use.
Package Contents
The Billow S51HD comes with a quick start guide, a power cable for electrical connection, headphones, and a power adapter, allowing for immediate use without additional purchases.
Navigation
It is equipped with satellite GPS and Assisted GPS (A-GPS) for precise location, as well as an electronic compass for effective navigation during your travels.
