Press and hold the power button on the TV (not the remote) while plugging the power cord back in.
: Specifically for 32-inch sets. Technical communities like Softaawy provide specific links for these variants. How to Install Firmware via USB ldd.h350a.a75 firmware
provide detailed dumps and update files for specific board and panel combinations. Marketplaces : Listings on sites like AliExpress Press and hold the power button on the