Download Android 4.2.2 Jelly Bean stock firmware for Jiayu G2F smartphone

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Download Android 4.2.2 Jelly Bean stock firmware for Jiayu G2F smartphone from here or here. Download another Jiayu firmware from here.

Archive name: SM219_W_FWVGA_JY_CN_REDUCE_V0.7.4_S0522
Archive file size: 289 MB
Support: Mediatek MT6582
Project: sm219_w_fwvga_jy_cn_reduce
Config_version: V1.1.1
Baseband: MT6582_S00_SM219_REDUCE_BP_W_V0_0_2_S1114_1_wg_n 

Installing ROM  
- Unpack FlashTools, and Click on Flash_tool.exe
- Select a the MT6582_Android_scatter.txt in ROM
- Wait file to be added into Flash Tool
- choose Option->USB Model,click USB Model
   –> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
- Turn off your phone - "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "
- and connect your phone into the computer via USB data cable.
- The process will start and a red progress bar will appear after color purple, yellow.
- And green circles display
- Finish ! - You can now safely disconnect your phone and turn it on.