The tool will show "Flash done". The REDMI 14C will reboot normally.
If these software fixes fail, it may indicate a hardware issue. Visit an Authorized Xiaomi Service Center for professional repair. How To Unbrick Xiaomi Mobile Phones -English- How to Unbrick REDMI 14C
Download (ADB & Fastboot).
Opening the device to access physical test points (CLK, CMD, Data 0). Using specialized repair tools to fix the bootloader. The tool will show "Flash done"