If you want, I can provide the exact links and firmware checks to download the official REDMI 14C ROM and drivers for your region — tell me your device model code (from Settings → About, or the label under the battery/box) and your OS (Windows version).
Before you panic and buy a new phone, understand this: Unless you have physically damaged the motherboard or corrupted the bootloader partition beyond repair (a "hard brick"), software bricks are reversible. How to Unbrick REDMI 14C
Open the tool and click . Locate your extracted ROM folder. If you want, I can provide the exact