Using your Mi Remote, press the Gear icon (Settings) in the top right corner of the Android TV home screen. Alternatively, press the Mi button to switch to PatchWall and locate the settings menu there.
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? Firmware Update on XIAOMI Mi TV 4X 43 L43M4-4AIN
XIAOMI Mi TV 4X 43 (L43M4-4AIN) can be updated to the latest firmware either through its built-in Over-The-Air (OTA) system or manually via a USB drive. Regular updates are recommended to access new features, improve system stability, and receive critical security patches. Direct OTA Update Method Using your Mi Remote, press the Gear icon
For online updates, connect to a stable Wi-Fi or Ethernet network with at least 10 Mbps speed. What is the current Android version installed
The file is corrupt or for a different model.
Firmware updates for the can be tricky because Xiaomi often uses different software branches (Android TV vs. PatchWall) and regions (India vs. Indonesia/Global). Updates are typically rolled out in waves via OTA (Over-The-Air), meaning not everyone receives them simultaneously.