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
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
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 MT6582Image file size: 342 MB
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.