Download latest Android Jelly Bean stock firmware for iNew V8 quad core smartphone from here or from here. If you have another iNew smartphone then search here your firmware.
Firmware: iNew V8 quad-core fw
Model: iNew V8 quad core smartphone
OS: Android Jelly Bean 4.2.2
OS: Android Jelly Bean 4.2.2
Image file size: 233 MB
Platform: Mediatek MT6592
Image: 130306-FV8-130204T-Ver3 / jellybean_atm7029_8_f_130306.fw
Image: 130306-FV8-130204T-Ver3 / jellybean_atm7029_8_f_130306.fw