(or similar Xiaomi Device Diagnostics tools) acts as a bridge to open the diagnostics port, allowing a PC to communicate with the phone's hardware at a low level. Technical Repair
After you successfully open your file manager and complete Midiag.apk installation, follow these best practices: Open File Manager And Complete Midiag.apk Installation
: Find the app named "File Manager" or "My Files" in your app drawer. (or similar Xiaomi Device Diagnostics tools) acts as