Often associated with the RTK2841 or RT2841 series. Common Issues Solved by Firmware Updates
The backlight is on, but no image or menu appears. Slow Performance: System lag or apps crashing frequently. How to Install TPD.RT2841.PB775 Firmware via USB tpd.rt2841.pb775 firmware
There are two primary ways to flash the firmware: the "Local Update" (within the menu) and the "Force Update" (for TVs that won't boot). Often associated with the RTK2841 or RT2841 series
If your TV cannot reach the home screen, follow these steps provided by TCL Support : TCL 32 Inch Android TV Main Motherboard TPD.RT2841.PB775 tpd.rt2841.pb775 firmware
Primarily designed for 32-inch LED/LCD panels.