"For users of the tpsk506spb802 USB device, the latest firmware update [mention version] is now available. This update [briefly describe improvements or fixes]. You can download the firmware from [official link] and follow these steps to update: [provide a brief, step-by-step guide]."
on the TV (not the remote) until the standby light begins flashing rapidly, indicating the update has started. tpsk506spb802 firmware usb link
Yes, if the device already has a working OS, you can sometimes run flashcp update.bin /dev/mtd0 from SSH, but that’s not a USB link – it’s an in-system flash. "For users of the tpsk506spb802 USB device, the
Most modern OSes recognize the module’s USB-to-serial bridge chip (e.g., CP2102, CH340, FTDI). If not: indicating the update has started. Yes