) on your Computer. Firmware comes in a zip package, which contains Flash File, Flash Tool, USB Driver and How-to Flash Manual.

Download QMobile S4 Stock Firmware (flash file)

File Name: QMobile_S4_6.0_ALPS_MP_M0.MP1_V2.34_RGK6580.zip
File Size: 1 GB
Firmware Link: Click here to Start Download