: Power off your Micromax device completely. Connect it to your PC via USB while holding the Volume Down or Volume Up button (this triggers the connection).
Before you begin the flashing process, ensure you have these components ready: Download MICROMAX L40CANVAS Firmware USB part20 rar
: Download every numbered .rar part (Part 1 through Part 20+). Place them in the same folder and extract only the first part ; the extraction tool will automatically combine the rest. : Power off your Micromax device completely