Download Android Jelly Bean 4.2.2 stock firmware for Jiake F1W smartphone
Download Android Jelly Bean 4.2.2 stock firmware for Jiake F1W smartphone from here or from here. Download another Jiake firmware from here.
Archive name: JIAKE F1W MTK6572 173752 20141219
Image: A13_JB3_3G_EMMC_32_4_SD_703EA_F1_C_20140922 11:18
Archive file size: 264 MB
Model: Jiake F1W smartphone
Project: yuanda72_wet_a_jb3
Platform: Mediatek MT6572
Config_version: V1.1.1
Upgrading notes (see this video tutorial)
1 – Download & unpack FlashTools. Run Flash_tool.exe
2 – Unpack Rom in folder
3 – Select MT6572_Android_scatter.txt in folder on rom. And wait.
4 – Check Option->USB Model, click USB Model
Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
5 – Turn off your phone, remove the battery.
6 -"Press F9 (or hit Download button)"
7 – Connect your phone into the computer with USB data cable.
8 – The process will start and a red progress bar will appear after color purple, yellow.
9 – And green circles display.
10 – Boot your phone !
11 – Restart !
12 – Enjoy !