Flash file is used to upgrade or reinstall the operating system in your smartphone. If you facing any software problem like the application stopped working, the phone not working and an IMEI issue, you can download the firmware file to fix the issue. By using this file, you will get your phone back in factory format.
If you want to reinstall the operating system or upgrade your device, you can use a flash file. This file helps to get back your phone in factory format. It can fix software issues, Boot loop issues, IMEI issues, and dead issues. These files are unique for every phone.