Knowing the hardware helps you understand firmware compatibility:
Go to Settings > Apps > See all apps and clear the cache for frequently used apps. Firmware TCL 50EP660
Understanding your TV’s architecture is essential before attempting to flash or update the firmware. This comprehensive guide provides step-by-step methods for updating the TCL 50EP660 Firmware TCL 50EP660
This guide should provide a solid starting point for keeping your TCL 50EP660 running smoothly. Remember to always proceed with caution and ensure any firmware file you use is a verified match for your specific TV model. Firmware TCL 50EP660
Scroll down and select Device Preferences , then click About . System Update: Select System Update .