For stock ROM only
For installing Stock or Original ROM in android device following things are required:
1. Android device
2. Drivers of android device (for eg. Media tek drivers for Micromax device or ADB drivers).
3. ROM files of android devices.
4. Flash tools for flashing rom in android device(for eg. Sp flash tool for micromax and odin for Samsung galaxy).
Steps for flashing rom in android device:
1. Connect your android device with computer via usb cable in download mode (for Samsung) or in switch off mode (by removing battery for Micromax).
2. When your pc showing the connectivity of device open the flash tool.
3. Now browse or select the ROM files from flash tool.
4. Begin the flashing by clicking the button in flash tool.
5. Wait for 4-5 minutes.
6. Now the ROM is installed in your device it will take 15-20 minutes for first boot.
(we are not responsible if your device is bricked)