Rarely. Since 2022, updates come once every 6-9 months. The TV is in “maintenance mode,” meaning only critical patches are released.
While major Android version updates are sporadic, Xiaomi pushes monthly/quarterly security patches. These address critical vulnerabilities (CVEs) related to the Linux kernel and MediaTek/Amlogic drivers. Firmware Update on XIAOMI Mi TV 4X 50 -India-
If your TV is stable on current firmware, do not update unless a critical security patch is released. If you face issues, update cautiously and be prepared to factory reset. Rarely