Firmware File is used to upgrade or reinstalls the operating system in your mobile. If you are facing any software related issue like the application is not working, you can use a firmware file to fix the issues.
If you are facing any software issues like the application stopped working, Bootloop issues, IMEI issues, dead issues, you can download the firmware file to fix the issues. You can also upgrade your device and it is unique for every phone. You can download infocus m430 flash tool https://firmwareflashfiles.com/infocus-m430/