If the OTA update isn't appearing or failing, you can download the firmware file directly from the official Xiaomi website and use a USB flash drive to install it. Troubleshooting Common Update Issues
If your TV cannot find an update automatically, you may need to flash it manually using a formatted USB drive. firmware update on xiaomi mi tv 4a pro 43 work
If your TV indicates "No update available" and your research suggests it's no longer supported by Xiaomi, here are the best ways to maintain a good smart TV experience: If the OTA update isn't appearing or failing,
You may receive updated versions of Android TV or Xiaomi’s proprietary PatchWall launcher. Prerequisites Before Updating firmware update on xiaomi mi tv 4a pro 43 work