Download the firmware package. If it arrives inside a .zip or .rar archive, extract it on your computer to find the raw Update.img file.
The TV will automatically scan for newer software versions. If one is found, follow the on-screen prompts to download and install it.
⚠️ Never turn off or unplug your TV during an update. Doing so can corrupt the firmware and "brick" the device. Additionally, ensure your USB drive has at least 2GB of free space and that the downloaded firmware is specifically for the 50EP660 model to avoid software conflicts. Firmware TCL 50EP660
Knowing the hardware helps you understand firmware compatibility:
Remember: With proper firmware management, your TCL 50EP660 will offer years of reliable smart TV performance. Download the firmware package
Turning off your TV during a firmware update can result in a "bricked" device, meaning the TV will no longer turn on.
Sites like tcl-firmware.com (use at your own risk) archive older builds. If one is found, follow the on-screen prompts
If you're experiencing issues with your TCL 50EP660 or need further assistance, here are some additional resources:
There are two primary ways to update your TV: over-the-air (OTA) via the internet or via a USB drive. Method 1: OTA Update (Recommended)
If the update fails, re-download the firmware file, as the initial download might be corrupted.