This means your firmware is for a different hardware variant. Download the exact ROM for L43M5-AR (India) vs L43M5-EX (Europe). Never cross-flash.
However, the lifespan of a smart TV is dictated not by its panel, but by its software. For owners of the 4A Pro 43, the firmware update process is a critical, yet often opaque, mechanism. It is the difference between a snappy, feature-rich entertainment hub and a sluggish screen with outdated apps. Firmware Update on XIAOMI Mi TV 4A Pro 43
This method resolves 95% of "bricked after update" scenarios. This means your firmware is for a different hardware variant
Do not turn off the TV or press any buttons during the update installation, as this can brick the device. yet often opaque