Ensure your TV is connected to a reliable power source. Do not turn off the TV during the update.
In the Recovery Menu, use the directional buttons on the remote to highlight . Select Update from udid (or your USB drive path). Select the update.zip file you copied earlier.
If the OTA update fails, you can perform a manual update using a USB drive. Preparation : Download the official firmware file from the Mi Global Support Firmware Update on XIAOMI Mi TV 4X 43 L43M4-4AIN
To update the firmware on your Xiaomi Mi TV 4X 43 L43M4-4AIN
Unplug the power cord of your Mi TV 4X 43 from the wall outlet. Ensure your TV is connected to a reliable power source
Before updating the firmware on your XIAOMI Mi TV 4X 43 L43M4-4AIN, ensure that:
Avoid interrupting the system or hitting power keys once the setup begins. Step-by-Step Execution Select Update from udid (or your USB drive path)
This is the standard and safest way to update your TV. Ensure you have a stable internet connection before starting. Open Settings : Use your remote to navigate to the
You might find "beta" or "developer" firmware for the L43M4-4AIN on forums. Beta firmware can have severe bugs (e.g., broken HDMI ARC, no audio, or random reboots). Stick to stable, certified builds from Xiaomi’s official update channels.
To help find the exact firmware build or troubleshoot a specific error screen, let me know: Is your TV currently or stuck on a boot screen ? What is the current Android version installed?
Xiaomi regularly patches known glitches. If your TV suffers from random reboots, Wi-Fi disconnections, HDMI handshake issues, or the infamous "laggy remote" problem, a firmware update is the most likely cure.