| Feature | Description | |---------|-------------| | | Restores TV from boot loops, black screens, or “no signal” errors | | Cross-Version Updates | Downgrade to older stable version or upgrade to beta builds | | Region Change | Switch firmware region (e.g., EU to US) to unlock features (risky) | | Security Patch Updates | Apply latest security fixes without internet | | Google TV / Android TV OS Support | Works on TCL’s Android-based smart TVs (Google TV, Android 9/11/12) | | Roku TV Support | Separate process – uses .pkg files and different key combos | | Partial Update Mode | Some models support updating only the bootloader, system, or vendor partitions |
Best for standard Android or Google TV models that are still functional. Insert the USB drive into the USB 2.0 port on the TV. Navigate to (or Device Preferences) > System Update and choose Local Update Tcl Tv Software Update Usb