Mi Home App -> Camera -> "..." in the upper right corner -> Firmware Upgrade -> If there is an update, please update the firmware in time.
Firmware Upgrade-> If there is an update, please update the firmware in time."> Firmware Upgrade-> If there is an update, please update the firmware in time."> Firmware Upgrade-> If there is an update, please update the firmware in time."> Firmware Upgrade-> If there is an update, please update the firmware in time.">
Does it help?