Download latest KitKat 4.4.2 Android stock firmware for Jiayu G6 smartphone from here or here. Download previous firmware version from here.
Archive name: MP_mt92_s2_g6w_jyt_kk_wcdma_sw_ldata_mul_
tphone_20141121-180733_songlixin_PC
Archive file size: 535 MB
Support: Mediatek MT6592
Project: vanzo92_cwet_kk
Config_version: V1.1.2