: It is critical to match the firmware to your specific mainboard or chassis number (e.g., RT41) to avoid bricking the TV. 2. Prepare the USB Drive
is usually done to fix software-related hardware issues, such as a TV being stuck on the logo or a boot loop. Because this model is an older LED TV, the firmware is typically distributed as a .rar or .zip file containing a .bin or .img flash dump. 1. Locate the Flash Dump File
: Start by checking the TCL Support Page or contacting their after-sales team to see if they can send the specific .bin file for your chassis.