Thumbnail of product Billy 4 from brand YEZZ
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Smartphone YEZZ Billy 4

YEZZ
Phones
Smartphone

The YEZZ Billy 4 is a compact and lightweight smartphone, ideal for everyday use. With a 4-inch screen and a resolution of 800 x 480 pixels, it offers a pleasant visual experience thanks to its 16.78 million colors. Equipped with a Qualcomm Snapdragon 200 processor at 1.2 GHz and 512 MB of RAM, it allows for smooth navigation and effective multitasking.

The YEZZ Billy 4 features a 8 MP rear camera with autofocus and LED flash, perfect for capturing your precious moments. The 1.3 MP front camera allows for selfies and video calls. With 4 GB of internal memory, expandable up to 128 GB via a MicroSD card, it provides ample storage space for your apps and multimedia files.

This smartphone is also equipped with modern connectivity features, such as Wi-Fi, Bluetooth 4.0, and GPS for accurate navigation. Its 1300 mAh battery ensures prolonged use, while its bar design and white color give it a contemporary look.

Finally, the YEZZ Billy 4 runs on Windows Phone 8.1, offering an intuitive and user-friendly interface. Weighing 109 g and with compact dimensions, it is easy to carry and use on a daily basis.

Manual of product Billy 4

First page image of the manual for Billy 4

User Manual
210 pages
View manual
7 10

Editorial note

The YEZZ Billy 4 is a smartphone that stands out with its 4-inch screen offering a resolution of 800 x 480 pixels, ideal for basic multimedia consumption. With a Qualcomm Snapdragon 200 processor at 1.2 GHz and two cores, it ensures smooth performance for everyday tasks. Additionally, its internal storage capacity of 4 GB, expandable up to 128 GB via a MicroSD card, allows for managing a reasonable amount of data. However, some aspects may disappoint. The screen resolution, while adequate for general use, may seem insufficient for those seeking sharper display quality. Furthermore, with only 0.512 GB of RAM, managing multiple applications simultaneously can be problematic, thus limiting the user experience during multitasking. The Windows Phone 8.1 operating system is also outdated, restricting access to modern applications. In terms of design, the YEZZ Billy 4 features a sleek white finish and a lightweight of 109 g, making it easy to handle. The 1300 mAh battery offers decent battery life, although specifications regarding talk time and standby time are not provided. Finally, features include an 8 MP rear camera with autofocus and flash, allowing for satisfactory shots, but the 1.3 MP front camera may not meet the expectations of selfie enthusiasts. Overall, the YEZZ Billy 4 is an interesting choice for those looking for an affordable smartphone with basic features, but it may not suit users demanding in terms of performance and display quality.

Score details

User experience

The user experience is generally positive thanks to the 4-inch screen and advanced navigation features, but app management may be limited by the RAM.

Performance

The Qualcomm Snapdragon 200 processor at 1.2 GHz offers smooth performance for everyday tasks, but may struggle with multitasking due to the 0.512 GB of RAM.

Battery life

The 1300 mAh battery capacity allows for prolonged use, but the talk time and standby time are not specified, which limits the assessment.

Design

The design is modern with an attractive white finish. The compact size of 109 g makes it easy to handle.

Value for money

Although the product is affordable, the limited internal storage capacity and outdated operating system may not justify the price for some users.

Features

Features include an 8 MP camera with flash and autofocus, as well as advanced GPS, but the 1.3 MP front camera may disappoint users looking to take quality selfies.

Advantages

4-inch screen, resolution 800 x 480 pixels

Snapdragon 200 processor, smooth performance

4 GB of storage, expandable to 128 GB

Accurate navigation with GPS and GLONASS

8 MP camera, quality photos in low light

Disadvantages

Screen resolution too low.

0.512 GB of RAM limits multitasking.

4 GB of internal storage insufficient.

Windows Phone 8.1 outdated and limited.

Disappointing 1.3 MP front camera.

Technical Specifications Billy 4

General Information

Screen

  • Screen size
    4 "
  • Screen resolution
  • Screen shape
    800 x 480 pixels
  • Number of colors displayed
    Flat
  • Second LCD screen
    16.78 million colors
  • Touch technology
    No
  • Touch screen type
    Multiple pressures
  • Pixel density
    Capacity
  • Type of panel
    233 pixels per inch
  • TFT-LCD

Other features

  • Touch screen
    Yes

Detectors

  • Orientation sensor
    -

Navigation

  • GLONASS
    Yes
  • GLONASS
    Yes
  • GLONASS
    Yes
  • GLONASS
    Yes

Processor

  • Processor frequency
    1.2 GHz
  • Processor family
    Qualcomm Snapdragon
  • Processor model
    200
  • Number of processor cores
    2

Multimedia

  • Supported audio formats
    MP3

Messaging

  • E-mail
    Yes
  • E-mail
    Yes
  • E-mail
    Yes

Call management

  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes
  • Call timer
    Yes

Representation / realization

  • Video call
    Yes
  • Video call
    Yes
  • Video call
    Yes
  • Graphics adapter
    Adreno 302
  • Personal Information Management (PIM)
    Alarm clock, Calendar, Notes
  • Customization
    Ringtones, Themes, Wallpaper
  • Themes
    Wallpapers

Storage support

  • RAM capacity
    0.512 GB
  • Internal storage capacity
    4 GB
  • Compatible memory cards
    MicroSD (TransFlash)
  • Maximum memory card size
    128 GB

Camera

  • Front camera type
    Single camera
  • Resolution of the rear camera (digital)
    8 MP
  • Geolocation
    Yes
  • Geolocation
    Yes
  • Front camera resolution (digital)
    1.3 MP
  • Geolocation
    Yes
  • Video recording modes
    720p
  • Geolocation
    Yes
  • Flash type
    LED
  • Front camera type
    Single camera

Battery

  • Battery technology
    Lithium-Ion (Li-Ion)
  • Battery capacity
    1300 mAh
  • Waiting time (3G)
    - h
  • Waiting time (3G)
    - h

Network

  • SIM card capacity
    Dual SIM
  • Bluetooth
    Yes
  • SIM card type
    MicroSIM
  • 2G Standards
    EDGE, GPRS, GSM
  • 3G Standards
    HSPA+
  • Wifi standards
    802.11b, 802.11g, Wi-Fi 4 (802.11n)
  • Bluetooth
    Yes
  • Bluetooth model
    4.0
  • 2G band (1st SIM card)
    850,900,1800,1900 MHz
  • 3G bands supported
    900,2100 MHz
  • Mobile network generation
    3G

Registration

  • Registration type
    Without plan

Connectivity

  • USB port
    Yes
  • USB connector
    Micro-USB
  • USB Version
    2.0
  • Quantity of HDMI ports
    0
  • Headset connection
    3.5 mm

Weight and dimensions

  • Weight
    109 g
  • Width
    64.4 mm
  • Depth
    9.9 mm
  • Height
    122.5 mm

Software

  • Installed operating system
    Windows Phone 8.1
  • Platform
    Windows

Design

  • Format
    Bar
  • Product color
    White

Packaging contents

  • Power adapter included
    Yes
  • Cables included
    Micro-USB
  • Power adapter included
    Yes
  • Power adapter included
    Yes
  • Power adapter included
    Yes

Technical details

  • Color
    Yes
  • Number of colors
    4 colors

Frequently Asked Questions

How can I reset my YEZZ Billy 4?
To reset your YEZZ Billy 4, press and hold the volume +, power, and home buttons simultaneously while starting the device.
What should I do if my SIM card is too small for my {brand} phone?
You can use a SIM card adapter to insert the smaller SIM card. The adapter is then placed into the phone.
What does the IMEI number mean?
The IMEI, or 'International Mobile Equipment Identity', is a unique fifteen-digit number that identifies your YEZZ phone among other devices.
What are the dimensions of my smartphone's screen?
The size of your smartphone is usually expressed in inches, where 1 inch equals 2.54 centimeters. This size corresponds to the diagonal of the screen, which you measure from the bottom left corner to the top right corner.
Can my smartphone's battery explode?
Make sure that your smartphone's battery does not overheat, as there is a very low risk of explosion.
What is the operating system of the YEZZ Billy 4?
The YEZZ Billy 4 runs on the Windows operating system.
What is the weight of the YEZZ Billy 4?
The weight of the YEZZ Billy 4 is 109 grams.
What is the screen size of the YEZZ Billy 4?
The screen of the YEZZ Billy 4 measures 4 inches.
What is the height of the YEZZ Billy 4?
The height of the YEZZ Billy 4 is 122.5 mm.
What is the resolution of the YEZZ Billy 4's screen?
The resolution of the YEZZ Billy 4's screen is 800 x 480 pixels.
What is the width of the YEZZ Billy 4?
The YEZZ Billy 4 has a width of 64.4 mm.
What is the depth of the YEZZ Billy 4?
The depth of the YEZZ Billy 4 is 9.9 mm.
What type of USB connection does the YEZZ Billy 4 have?
The YEZZ Billy 4 is equipped with a Micro-USB connection.
What is the storage capacity of the YEZZ Billy 4?
The YEZZ Billy 4 offers a storage capacity of 4 GB.
Is the manual for the YEZZ Billy 4 available in French?
Yes, the manual for the YEZZ Billy 4 is available in French.

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Presentation of product Billy 4 specifications from brand YEZZ

General Information

The YEZZ Billy 4 is a smartphone from the brand YEZZ, known for its innovation and quality in the mobile device sector. This model, identified by the code UPYEBILLY4WB, offers optimized performance for daily use. The EAN code, 3492548200818 and 3492548200825, allows for unique identification of the product in the distribution network.

Screen

Equipped with a 4-inch screen, the YEZZ Billy 4 offers a resolution of 800 x 480 pixels, ensuring a satisfying visual experience for multimedia content consumption. Its display technology of 16.78 million colors guarantees vibrant and bright colors. The screen is flat with a density of 233 pixels per inch, providing a clear presentation of images and text despite its limitations.

Other Features

This model is equipped with a capacitive touchscreen, allowing for smooth interaction thanks to its ability to recognize multiple touches.

Sensors

The YEZZ Billy 4 integrates an orientation sensor, which allows for precise determination of the device's orientation, thus facilitating its use.

Navigation

In terms of navigation, the YEZZ Billy 4 performs well with support for GPS, A-GPS, and GLONASS, enabling precise and quick location, ideal for daily use.

Processor

This smartphone is powered by a Qualcomm Snapdragon 200 processor running at 1.2 GHz and featuring 2 cores, ensuring efficient task management and smooth usage.

Multimedia

For entertainment, the YEZZ Billy 4 supports the MP3 audio format, ensuring an enriching listening experience.

Messaging

The smartphone allows for sending and receiving messages via SMS and MMS services, as well as managing emails, thus facilitating communication.

Call Management

Call features include call waiting, caller ID, and the ability to conference call, providing a complete communication experience.

Representation / Realization

The YEZZ Billy 4 is equipped with a quality speaker, allowing for immersive listening. It also supports video calls for real-time interactions.

Storage Support

The smartphone has 4 GB of internal storage, expandable up to 128 GB via a MicroSD card, allowing for a considerable amount of data storage. Its RAM of 0.512 GB ensures decent performance, although limited for multitasking.

Camera

The single rear camera offers a resolution of 8 MP, with autofocus and flash, allowing for quality image capture even in low-light conditions. The front camera of 1.3 MP is designed for selfies and video calls, although its quality may be insufficient in certain situations.

Battery

The 1300 mAh battery, using hybrid NiMH technology, allows for prolonged use, although the specifics of talk time and standby time are not specified.

Network

The YEZZ Billy 4 is compatible with a MicroSIM card and supports 2G and 3G standards, ensuring reliable connectivity. Its Bluetooth version 4.0 allows for fast wireless connection with other devices.

Subscription

The type of subscription is no contract, offering usage flexibility without commitment.

Connectivity

The smartphone is equipped with a Micro-USB port for data transfer and charging, as well as a 3.5 mm headphone jack.

Weight and Dimensions

With a weight of 109 g, the YEZZ Billy 4 is lightweight and easily manageable. Its dimensions of 64.4 mm width, 9.9 mm depth, and 122.5 mm height ensure a comfortable grip.

Software

The installed operating system is Windows Phone 8.1, offering an intuitive interface, although this version is now outdated compared to current standards.

Design

The design of the YEZZ Billy 4 is bar type, with a white color that gives it a modern and elegant appearance.

Packaging Contents

The contents include a quick start guide, a power cable, a protective case, and a power adapter, allowing for immediate use.

Technical Details

The YEZZ Billy 4 is available in 4 colors, allowing users to choose a model that matches their personal preferences.