If your device does not fall into the above categories, double-check the PCB silkscreen. The firmware string may appear during boot-up on a 7-segment display or over a serial debug port.
Do you have a or screen resolution you're trying to match this firmware with? T.hv553.81 Firmware
, allowing for stable operation of Android-based smart features and app multitasking. Dual-Network Connectivity : The firmware supports built-in WiFi and LAN (Split Android Network) If your device does not fall into the
Different firmware files use different remote control configurations. T.hv553.81 Firmware