Nah.., ini dia Spec daripada sang Jiayu G4
Unlocked JIAYU G4 MTK6589 Quad Core 2GB RAM 32GB ROM 3G Android 4.2 Smart Phone 13MP 4.7" Gorilla Glass Screen 1280*720 3000mAh

4.7Inch HD 5-Point IPS LCD Capacitive screen,1280 x 720 resolution
CPU:MTK6589 Quad-Core Cortex A7 1.2GHz
32GB ROM + 2GB RAM
Camera: Main Camera Rear 13.0MP with flash led:front Camera 3.0MP
Dual Sim Slot
Android 4.1 OS
GSM/WCDMA support
2G: GSM850/900/1800/1900MHz
3G: WCDMA2100MHz

Specification
Brand JIAYU
Model G4 Advanced Quad Core
Color White/black
Type Brand New
Form Factor Touch screen
Operating System Android 4.1 (be able to upgrate Android 4.2)
Processor MTK6589 Quad-Core Cortex A7 1.2GHz
RAM 2GB RAM
ROM 32GB
Support extend card 64GB
Screen
Touch screen Retina screen, 312PPI, IPS screen, Corning II Gorilla Glass,
Display Size(Inch) 4.7inch
Screen Resolution 1280*720 pixels
Screen Type IPS
Display Colour 16000K colors
Networking GSM/WCDMA
Frequency 2G:GSM850/900/1800/1900MHz; 3G:WCDMA2100MHz
Data transfer GPRS/HSPA/EDGE
WIFI YES,802.11 b/g/n
GPS YES
Languages English, Arabic, Bahasa Indonesia, Bahasa Melayu, Bengali,
Deutsch, Espanol, French, Hindi, India Urdu, Italiano, Nederlands,
Persian, Portuguese, Vietnamese, Turkish, Russian, Thai,
Simplified/ Traditional Chinese

SIM Type Ordinary SIM
SIM Slot 2
Network Standby Dual Network Standby
Network Conversation One-Party Conversation Only
Camera
Back Camera Dual Camera, 13.0MP back camera, 3.0MP front camera
Flash YES
Auto Focus YES
Video YES
Touch Focus YES
Support Format
Audio File Format MP3, WAV, ARM
Video File Format 3GP, MP4
Image File Format JPEG, BMP, GIF, PNG
FM Radio YES
TV NO
Sensor G-sensor, Light sensor, Distance Sensor
Bluetooth YES,2.0
I/O Interface Micro USB, 3.5mm Jack, Mirco SD slot, SIM slot
Battery Type Lithium
Capacity 3000 mAh
Standby Time About 2~3 days
Charger USB, Travel Charger
Input Method Hand write,keyboard
Software MP3, MP4, calculator, ES file management, stopwatch, calendar, alarm clock, Google play, E-mail, G-mail, etc.
Dimensions / WxDxH 133 x 65 x 10mm(2.9mm narrow bezel, ultra-narrow metal frame)
Net Weight(g) 180g (with Battery)
Additional Features WIFI ,3G, GPS, DUAL SIM, DUAL CAMERA ,FM ,EBOOK ,etc.

Package
1 x Cellphone
1 x 3000mAh Li-ion battery
1 x USB cable
1 x Power adapter
1 x User manual

What's in the box
•1 x Cellphone
•1 x 3000mAh Li-ion battery
•1 x USB cable
•1 x Power adapter
•1 x User manual