Download Android KitKat 4.4.2 stock firmware for Jiayu G4C smartphone from here or here. Download Jelly Bean firmware from here. Download another Jiayu firmware from here.
Archive name: JIAYU G4C (1GB+4GB) Android4.4 ROM(20140917-202958)
Image: MP_mt82_a8_g4hc_jyt_kk_wcdma_20140917-202958_songlixin_PC
Archive file size: 363 MB
Support: Mediatek MT6582
Project: vanzo82_cwet_kk
Config_version: V1.1.1
Baseband: MT6582_S00_MOLY_WR8_W1315_MD_WG_MP_V5_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.