Select or Apply update from udisk (depending on the exact recovery version). Select your USB drive and locate the firmware zip file. Press the OK/Select button to begin the installation.
The most reliable way to keep your TV current is through the built-in update tool: Press the Menu button on your Mi TV remote. Navigate to (gear icon) in the top right corner of the screen. Device Preferences Scroll down and click on System Update Firmware Update on XIAOMI Mi TV 4X 43 L43M4-4AIN
Ensure your TV is connected to the internet via Wi-Fi or LAN. Select or Apply update from udisk (depending on
Finding the right firmware for your exact model is crucial. Installing incompatible firmware can cause problems such as a blank screen, inverted image, or "bricking" your TV. The most reliable way to keep your TV
Fixes bugs that cause apps to lag or freeze.
Android TV OS update on OLD Mi TV - First Look - Whats New???