Here is useful, structured content regarding the MJSXJ10CM (often labeled as the Xiaomi MJSXJ10CM or IMILAB C20 smart camera) firmware.
Warning: Flashing incorrect firmware (e.g., firmware for MJXJ11CM) will brick the device. mjsxj10cm firmware
The standard method for updating your camera is through the Mi Home App: Open the App: Select your camera from the device list. Here is useful, structured content regarding the MJSXJ10CM