Yezz Billy 4
Network
Technology
GSM / HSPA
2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G bands
HSDPA 850 / 1900 – SIM 1 & SIM 2 – BM4MI043
HSDPA 900 / 2100 – SIM 1 & SIM 2 – B4MI047
Speed
HSPA 42.2/5.76 Mbps
Launch
Announced
2014, June. Released 2014, October
Status
Discontinued
Body
Dimensions
122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in)
Weight
109 g (3.84 oz)
SIM
Dual SIM (Micro-SIM)
Display
Type
TFT
Size
4.0 inches, 45.5 cm2 (~57.7% screen-to-body ratio)
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Platform
OS
Microsoft Windows Phone 8.1
Chipset
Qualcomm MSM8212 Snapdragon 200 (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
GPU
Adreno 302
Memory
Card slot
microSDXC (dedicated slot)
Internal
4GB 512MB RAM
eMMC 4.5
Main Camera
Single
8 MP, AF
Features
LED flash
Video
720p@30fps
Selfie camera
Single
1.3 MP
Video
Sound
Loudspeaker
Yes
3.5mm jack
Yes
Comms
WLAN
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Bluetooth
4.0, A2DP
Positioning
GPS, GLONASS
NFC
No
Radio
Stereo FM radio
USB
microUSB 2.0
Features
Sensors
Accelerometer, proximity
Battery
Type
Li-Ion 1300 mAh, removable
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)
Misc
Colors
White, Black, Red, Gun Metal, Blue, Yellow, Champing Gold