Firmware Tcl — 50ep660

Based on reviews from various sources, including Amazon, Best Buy, and TCL's website, here are some overall ratings:

You cannot update what you do not know. Follow these steps to check your current firmware: Firmware TCL 50EP660

If your TV isn't finding an update over the air, you can use a USB drive. Format a USB flash drive (at least 4GB) to . Based on reviews from various sources, including Amazon,

This is the official, safest method.