try at your own risk!
this firmware is for GRANDIN model LD39C25 LED39TC1700E
with main TP.SIS231.P83 and panel C390F13-E1-C(G3)
how to
unplug the power cord
copy the file SISEU23X8M.bin on an empty usb stick fat32 formatted
insert the usb stick in the tv and reconnect the power cord
look at the standby led, at the beginning it flashes slowly, after about 1 minute it doubles the speed: update completed
unplug the power cord and the usb stick and wait until the standby led turns off
reconnect the power cord and turn on the tv: it will restart in first installation mode
The discussion concerns a request for firmware corresponding to a device shown in an image linked from elektroda.pl. The device mainboard is identified as TP.SIS231.P83 with a display panel C390F13-E1-C(G3). Firmware files provided are intended for GRANDIN brand models LD39C25 and LD40C17, specifically the LED39TC1700E and LED39TC1700E models. The firmware file named SISEU23X8M.bin is shared via external links. Installation instructions include copying the firmware file to a FAT32-formatted USB stick, inserting it into the TV while powered off, then powering on to initiate the update process indicated by LED flashing patterns. After completion, the device restarts in initial setup mode. Users are advised to post defective firmware files for repair assistance. Summary generated by the language model.
