Yezz Billy 4 is a mid-range smartphone running Microsoft’s Windows Phone 8.1 OS with fully customizable Live Tiles. It features a 4.0-inch WVGA display, 8 megapixels camera, 1.2GHz Quad Core Processor, and brilliant Beats Audio sound. Design of the Yezz Billy 4 look almost the same with the Lumia 435 and it is said to be named for Microsoft founder Bill Gates.

yezz billy 4

Where to Buy Yezz Billy 4

Buy from Jumia
Trusted Store

Display and Camera

Yezz Billy 4 sports a large 5-inch touchscreen with a WVGA resolution of 480 x 800 pixels (233 ppi pixel density) – same as can be found on budget alternatives like theLumia 435. The resolution is a bit measly given the size of the display.

Coming to the camera department, Billy 4 packs in an 8-megapixel primary shooter that should deliver impressive images and videos. While on the reverse side, it features an equally impressive 5-megapixel front-facing camera to enable you take amazing selfies and wefies seamlessly.

Power and Performance

Housed under the hood sports same Quad Core Processor featured on the Billy 4.7, the Billy 4 should offer impressive level of multitasking, especially for an affordable smartphone. The processor runs at speeds of up to 1.2 GHz.

Here the RAM is halved to 512MB which is not too bad to boost the phone’s level of responsiveness to an extent.

The Billy 4 runs on Microsoft’s Windows Phone 8.1 OS with fully customizable Live Tiles for the best of user experience on the platform. A powerful battery of 1420mAh capacity is supplied on Yezz Billy 4 to get it running for several hours.

Other Specs and Features

Storage provided out of the box on the Billy 4 has been halved to 4 GB, compared to the allocation on its brother Billy 4.7. There is also a microSD card slot to enable you add more storage space up to 128GB.

The Billy 4 lets you pick from a wide range of beautiful designs everyday. The phone is a dual-SIM model, according to Yezz Mobile. Billy 4 gives supports for 3G connectivity with HSPA+, delivering speeds of up to 21 Mbps.

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Connectivity features include microUSB, Bluetooth 4.0 and Wi-Fi 802.11 b/g/n.

Pricing & Availability

Yezz Billy 4 is currently available in Nigeria. You can buy it at leading online stores in Nigeria most especially on KONGA. Billy 4 price in Nigeria starts from ₦16,000 depending on your location and place of purchase in the country.

Where to Buy Yezz Billy 4

Buy from Jumia
Trusted Store


Yezz Billy 4

Here are a few specs of the Yezz Billy 4 :

Device Name Yezz Billy 4
Smatphone Type Candybar
2G Network GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 – SIM 1 & SIM 2 – BM4MI043HSDPA 900 / 2100 – SIM 1 & SIM 2 – B4MI047
4G LTE Network n/a
SIM Dual SIM (Micro-SIM)
Status Available

Dimensions 122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Thickness 9.9 mm
Net Weight 109 g (3.84 oz)
Keyboard Touchscreen
Colors White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold
Cover Plastic finish

Screen Type TFT capacitive touchscreen
Display Size 4.0 inches (~57.7% screen-to-body ratio)
Display Resolution 480 x 800 pixels (~233 ppi pixel density)
Multi-Touch Yes
Protection n/a
Screen Color 16M colors

Card slot Yes MicroSD card, Expandable storage up to 128 GB
Internal 4 GB
OS Microsoft Windows Phone 8.1
Skin Color OS 2.1
Processors Quad-core 1.2 GHz Cortex-A7
Chipset Qualcomm MSM8212 Snapdragon 200
GPU Adreno 302
RAM 512 MB

Music Player Yes, mp3, WAV, FLAC, eACC+
Video Player Yes, MPEG4, H.263, H.264, XviD
Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
Audio port Yes, 3.5mm jack

2G Speed Up to 85.6 kbps; EDGE – up to 236.8 kbps
3G SpeedHSPA+ Up to 7.2 mbps downlink; Up to 21 mbps uplink
4G Speed n/a
WIFI Yes, Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth Yes, Bluetooth v4.0, A2DP
Radio Stereo FM radio
NFC n/a
HDMI Port n/a
Infrared Blaster n/a
USB Port Yes, microUSB v2.0

Primary Camera 8 MP, 3264 x 2448 pixels, autofocus
Seconday Camera 1.3 MP Camera
Camera Features Geo-tagging, touch focus
Video Yes, 720p@30fps
Flash Light LED flash

Capacity Removable 1420 mAh battery Li-Ion Battery
Type Rechargeable Li-Ion Battery
Charging Type USB Micro 5V-1A Power Adapter
Charger Type Type AC100-240V.50-60HZ Input, 5V, DC 2 A Output
Stand-by Up to 350 h (2G) / Up to 300 h (3G)
Talk time Up to 7 h (2G) / Up to 4 h 30 min (3G)
Video/Music play n/a

Motion Sensing / Gesture Control n/a
Fingerprint n/a
Sensors Accelerometer, proximity
Video Streaming Yes
Active Noise Cancellation n/a
Wireless Charging n/a
Built-in Mobile Payment n/a
Water Resistant n/a
Dust Resistant n/a
Image Editor Yes
Video Editor Yes
Document Viewer Yes
Document Editor Yes
Messaging Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Languages English, German, Spanish, Italian, French
Browser HTML5
Java n/a
– OneDrive (15 GB cloud storage)- MP4/WMV/H.264 player- MP3/WAV/eAAC+ player

– Image/video editor

– Document editor

What’s in the box
  • – 1 × Smartdevice
  • – 1 × USB cable
  • – 1 × User manual
  • – 1 × Power adapter (A right AC Adapter will be sent as your shipping country)
  • – 1 × Ear Piece

Availablility Available

Price level About N16,000 – N17,000

Error or missing information?

Where to Buy Yezz Billy 4

Buy from Jumia
Trusted Store

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