: Do not turn off your TV or press any buttons during the installation process, as the device may reboot several times. Manual Firmware Update via USB
Xiaomi releases updates for this model every 3–6 months. However, the portable variant receives less frequent updates than non-portable models.
Since the Xiaomi Mi TV 4A Pro 43 is a Smart TV (not a small portable device), "portable" in your subject line likely refers to the ease of the process or perhaps a misunderstanding of the model name.
