A: Yes, using the same USB flashing process. However, some V40 updates modify the bootloader, making downgrades unstable. Proceed with caution.
On your TV remote, press Menu + 1-1-4-7 or Source + 2-5-8-0 (varies by clone). If you see “V59 Version 38” or similar, your TV is compatible. mstv59version 40 software download hot
Open the back of your TV (unplug first!). Locate the mainboard. Look for a large chip labeled MSTAR V59 , V59XUS , or TSUMV59 . Also note the full PCB model (e.g., TP.VST59.P86 or TP.V59.PB817). A: Yes, using the same USB flashing process
But treat each download like a medical procedure: verify the source, follow the instructions precisely, and accept that sometimes, a $15 replacement mainboard from AliExpress is safer than chasing a “hot” software fix. some V40 updates modify the bootloader