: Scroll down and select Device Preferences .
Select only the same version of firmware or a newer version. Downgrading firmware without an unlocked bootloader is not permitted. Always choose a version equal to or higher than your current firmware.
This guide explains why, when, and how to update the firmware on the XIAOMI Mi TV 4X 43 (model L43M4-4AIN), plus troubleshooting and safety tips.
Complete Guide to Firmware Update on XIAOMI Mi TV 4X 43 L43M4-4AIN Firmware Update on XIAOMI Mi TV 4X 43 L43M4-4AIN
Using firmware intended for the Chinese or Global (non-India) L43M4 variants will brick your TV. Only use L43M4-4AIN firmware.
– While standard OTA updates typically preserve user data, a manual USB flash or downgrade will erase all data. Always back up anything important beforehand.
: Click on the About section at the top of the menu. Check for Update : Click on System Update . : Scroll down and select Device Preferences
– You'll need sufficient free space to download the update. If storage is low, delete unused apps or clear cached data.
In the About section, select "System Update" . Your TV will now search for a newer firmware version.
To ensure system stability after a major firmware leap, perform these quick optimization steps: Always choose a version equal to or higher
Once downloaded, select to apply the firmware package.
Right-click the drive and select . Choose FAT32 as the file system and format the drive (this deletes all data on the USB).