A link for a mainboard .rar file has been shared on community pages like Lab-One Forum .
: Technicians often share "Bin" or "Dump" files on forums for manual flashing (using a programmer). Download SHARP 24LE155M Software rar
Software found in .rar format from unofficial sources is often a "dump" file intended for a hardware programmer rather than a simple USB update. Using the wrong firmware can permanently "brick" your television. Always verify the mainboard code matches your device exactly before attempting a flash. A link for a mainboard
Finding the official firmware for older Sharp models like the LC-24LE155M Download SHARP 24LE155M Software rar