Download Android Jelly Bean 4.2.2 stock firmware for Star Z1 smartphone

Download Android Jelly Bean 4.2.2 stock firmware for Star Z1 smartphone from here, here or here. Download stock firmware for Star Z2 from here.

Archive： Z1 20140731_e2109_v82_zlh_fwvga
Firmware: Android Jelly Bean 4.2.2

Model: Star Z1 FWVGA smartphone
Image file size: 342 MB

Platform: Mediatek MT6582
Project: e2109_v82_zlh_fwvga
Baseband: MT6582_S00_MOLY_WR8_W1315_MD_WG_MP_V11_P5_1_wg_n
Config_version: V1.1.1

Install firmware
- Unpack FlashTools, and Click on Flash_tool.exe
- Select a the MT6592_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, remove the battery.
- "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

Here you have a video tutorial on how to upgrade to KitKat another MT6592 CPU smartphone, E-ceros One.