MICROMAX CANVAS JUICE A77 FLASH STOCK ROM METHOD:2

FIRST method is Not work then try it

1. Unpack FlashTools, and Click on Flash_tool.exe
2. Select a the MT6572_Android_scatter_emmc.txt in ROM
3. Wait file to be added into Flash Tool
4. Choose Option->USB Model,click USB Model
5. Choose Option->DA DownLoad All->Speed->High Speed, click High Speed
6. Turn off your phone, remove the battery.
7. "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "
8. And connect your phone into the computer via USB data cable.
9. The process will start and a red progress bar will appear after color purple, yellow.
10. And green circles display
11. Done

please install driver first from mmx site or pda net