Look here...Hello, I have a TCL u55c7006 that gets stuck on the TCL or Android logo. What firmware can I install to solve the problem?

Downgrade File for TCL C6 (Current Version: V8-T658T01-LF1V534)
Hey guys, I am new to the Android TV scene so bear with me. Recently bought TCL C6 TV. It updated yesterday to Android Oreo but the Color accuracy especially in HDR has fallen considerably, constant dimming of backlight for no reason and not to...
