Before attempting any update, it is critical to understand what these numbers mean. Generic Chinese DVB-T2 receivers rarely have brand names; instead, they are identified by a mainboard number and memory size.
The hardware version must match. A firmware for a 1509 unit with 256M RAM will destroy a 512M unit. 1509 dvbt2 512m firmware update
Download and the file if it is in a .zip or .rar format. Before attempting any update, it is critical to